A seal for a so called "corona stamp" is seen in a post office, as the 2.75 euro "corona stamp" is printed on three-ply toilet paper and sold individually as part of a 10 cm wide sheet, in Vienna, Austria October 23, 2020. REUTERS/Leonhard Foeger 

A man's hand is seen after washing off the home quarantine stamp during a nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19) on a street in Dharavi, one of Asia's largest slums, Mumbai, India, April 11, 2020. Picture taken April 11, 2020. REUTERS/Francis Mascarenhas 

Charles, the Prince of Wales and Camilla, the Duchess of Cornwall, stamp the Supreme Court seal during their visit to the Supreme Court of the United Kingdom in Parliament Square to commemorate its 10th anniversary, in London, Britain February 5, 2019. Victoria Jones/Pool via REUTERS 

Charles, the Prince of Wales and Camilla, the Duchess of Cornwall stamp the Supreme Court seal during their visit to the Supreme Court of the United Kingdom in Parliament Square to commemorate its 10th anniversary, in London, Britain February 5, 2019. Victoria Jones/Pool via REUTERS 

Former president Drew Faust pretends to stamp the hand of Lawrence Bacow with the great seal of the University adopted in 1885, during Bacow's inauguration as the 29th President of Harvard University in Cambridge, Massachusetts, U.S., October 5, 2018. REUTERS/Brian Snyder 

Turkish voters living in Germany cast their votes on Turkey's presidential and parliamentary elections at the Turkish consulate in Frankfurt, Germany, June 7, 2018. REUTERS/Kai Pfaffenbach 

The Seal of the President of the United States is placed on the lectern before U.S. President Barack Obama takes the stage to campaign for Hillary Clinton at the University of Michigan in Ann Arbor, Michigan November 7, 2016. REUTERS/Kevin Lamarque

Inpec officer register the FARC rebels before leaving El Buen Pastor prison in Bogota, Colombia January 20, 2016. Colombia's government released on Wednesday 16 of the 30 imprisoned FARC rebels the government had decided to pardon in late November. The move represents a unilateral gesture on behalf of the government, after assessing compliance with the unilateral ceasefire by The Revolutionary Armed Forces of Colombia (FARC) and as a consequence in the reduction of violence as the peace deal progresses. REUTERS/Omar Nieto/high commissioner for peace /Handout via Reuters ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. 

India’s Prime Minister Narendra Modi (L) uses a metal stamping machine during a tour of the Institute of Technical Education (ITE) College in Singapore November 24, 2015. REUTERS/Wallace Woon/Pool 

India’s Prime Minister Narendra Modi (L) and Singapore's Prime Minister Lee Hsien Loong pose for photographers while holding stamped metal sheets during a tour of the Institute of Technical Education (ITE) College in Singapore November 24, 2015. REUTERS/Wallace Woon/Pool 

Jeweller Omar Vaja displays brooches with packaging covered in royal warrant insignia at Bentley and Skinner in central London, Britain, August 19, 2015. Bentley and Skinner, established in the 19th century, is a silversmith and jeweller to Queen Elizabeth. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 19, 2015. REUTERS/Toby Melville 

A royal warrant is seen printed on a bottle of tomato sauce, manufactured by food company Heinz, at a cafe in central London, Britain, August 21, 2015. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 21, 2015. REUTERS/Toby Melville 

Shoppers walk past the shopfront of Floris with a royal warrant design above it in central London, Britain, August 19, 2015. Floris, established in 1730, holds a warrant as perfumer to Queen Elizabeth. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 19, 2015. REUTERS/Toby Melville 

Royal warrant plaques are seen inside Berry Bros and Rudd wine merchants in central London, Britain, August 21, 2015. Berry Bros. & Rudd, which started as grocers over 300 years ago in St. James's, central London, has two royal warrants. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 21, 2015. REUTERS/Toby Melville 

A clothes hanger with the royal warrant insignia is seen at the Gieves and Hawkes headquarters in central London, Britain, August 19, 2015. Gieves and Hawkes has contracts with British military forces and has a royal warrant to supply military uniforms and livery for Queen Elizabeth. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 19, 2015. REUTERS/Toby Melville 

A copy of the royal warrant is seen at Gieves and Hawkes in central London, Britain, August 19, 2015. Gieves and Hawkes has contracts with British military forces and has a royal warrant to supply military uniforms and livery for Queen Elizabeth. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 19, 2015. REUTERS/Toby Melville 

Bottles of vintage cognac, with a royal warrant stamp, are seen in storage inside Berry Bros and Rudd wine merchants in central London, Britain, August 21, 2015. Berry Bros. & Rudd, which started as grocers over 300 years ago in St. James's, central London, has two royal warrants. Every year Queen Elizabeth grants about 20 royal warrants, the gold emblem of the British monarchy, in a practice dating back to medieval times. The warrant holders can display the certificate and use the royal coat of arms in their marketing. The warrants lasting five years can help businesses break into new markets overseas, using their role as supplier to the royal family as a gauge of quality. On September 9, Queen Elizabeth will overtake Queen Victoria as Britain's longest-serving monarch. Picture taken August 21, 2015. REUTERS/Toby Melville 

Commemorative stamps, which are part of a collection of commemorative stamps for the Rio 2016 Olympic and Paralympic Games, are pictured at its launch in Rio de Janeiro, Brazil August 6, 2015. REUTERS/Ricardo Moraes 

A Raiffeisen Gammesfeld eG bank stamp is pictured at the bank in Gammesfeld, Baden-Wuerttemberg January 29, 2013. The Raiffeisen Gammesfeld eG cooperative bank is one of the country's smallest banks and is the only one to be run by just one member of staff. All banking duties are done by CEO Peter Breiter who records the daily business by hand, partly on paper. The bank is not connected to a database system, there are no automatic teller machines (ATMs) and its customer base consists only of residents of the town of Gammesfeld which has a population of around 510. Picture taken January 29, 2013. REUTERS/Lisi Niesner (GERMANY - Tags: BUSINESS SOCIETY)

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The menu for a luncheon in honor of China's Vice President Xi Jinping, hosted by U.S. Vice President Joseph Biden and U.S. Secretary of State Hillary Clinton, is sealed with wax stamp at the State Department in Washington February 14, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS) 

A pilgrim stamps on a document to indicate his arrival inside the pilgrim hostel in the northern Spanish town of Burgos, July 25, 2010. The Christian pilgrimage treks across northern Spain to the tomb of St. James the Greater in the Galician city of Santiago de Compostela. This year marks a special "Holy Jacobeo Year" as St. James Day falls on a Sunday and hundreds of thousands of pilgrims are expected to travel the long route, mostly on foot or by bicycle. REUTERS/Felix Ordonez (SPAIN - Tags: SOCIETY RELIGION) 

Activists of the Swiss group without army (GSOA) symbolically seal the compulsory military service as not suitable after launching the initiative for a YES - For the abrogation of the compulsory military service (JA zur Aufhebung der Wehrpflicht) on the on the Swiss federal square in Bern July 5, 2010. The poster reads: 'Compulsory military service - Abrogation' and the text on the rubber-stamp reads 'Not suitable.' REUTERS/Pascal Lauener (SWITZERLAND - Tags: MILITARY POLITICS) 

Activists of the Swiss group without army (GSOA) symbolically seal the compulsory military service as not suitable after launching the initiative for a YES - For the abrogation of the compulsory military service (JA zur Aufhebung der Wehrpflicht) on the on the Swiss federal square in Bern July 5, 2010. The poster reads: 'Compulsory military service - Abrogation' and the text on the rubber-stamp reads 'Not suitable.' REUTERS/Pascal Lauener (SWITZERLAND - Tags: MILITARY POLITICS) 

Activists of the Swiss group without army (GSOA) symbolically seal the compulsory military service as not suited after launching the initiative for a YES - For the abrogation of the compulsory military service (JA zur Aufhebung der Wehrpflicht) on the Swiss federal square in Bern July 5, 2010. The poster reads: 'Compulsory military service - Abrogation' and the text on the rubber-stamp reads 'not suitable. REUTERS/Pascal Lauener (SWITZERLAND - Tags: MILITARY POLITICS) 

El Salvador's President Mauricio Funes seals stamps which were presented at the presidential house in commemoration of the 30th anniversary of Archbishop Oscar Romero's murder in San Salvador March 19, 2010. Romero was shot dead by a right-wing hit squad while preparing for mass at Divina Providencia Cancer Hospital in the El Salvadorian capital on March 24, 1980. REUTERS/Luis Galdamez (EL SALVADOR - Tags: RELIGION CRIME LAW ANNIVERSARY) 

A white jade Yubi seal from the Qianlong period inscribed with the characters "Taishanghuangdi", or "Overlord Emperor", is shown at a Sotheby's preview in Hong Kong March 9, 2010. The seal is expected to fetch in excess of $6.3 million at an auction on April 8, 2010. REUTERS/Bobby Yip (CHINA - Tags: SOCIETY) 

Pauline Graham whose grandson, Gordon Gentle, died during the Iraq War, poses with his picture outside the Queen Elizabeth II Conference Centre where the Chilcott inquiry into the Iraq war takes place, in London November 24, 2009. An official inquiry into Britain's involvement in the Iraq War began on Tuesday, promising a thorough investigation which could prove embarrassing for the government ahead of next year's election. REUTERS/Luke MacGregor (BRITAIN POLITICS CONFLICT) 

Supporters of Honduras' ousted President Manuel Zelaya stamp money during a event in downtown Tegucigalpa, August 1, 2009. Honduras' de facto leader vowed that no country would push the small Central American nation around and pledged to resist international pressure to reinstate Zelaya. The stamp reads "Out Micheletti putsches".
REUTERS/Edgard Garrido (HONDURAS POLITICS CONFLICT) 

A U.S. tourist shows his passport after been stamped with former Allied and East German border stamps on the site of the former Berlin Wall at the Potsdamer Platz square in Berlin, July 27, 2009. REUTERS/Fabrizio Bensch (GERMANY POLITICS ANNIVERSARY) 

Post Marks showing the date of tax deadline day are seen at the main Post Office in New York April 15, 2009. As a deep recession strips Americans of their jobs, homes and investments, the 2009 U.S. tax season promises to see a large uptick in first-time delinquent income taxpayers. REUTERS/Chip East (UNITED STATES BUSINESS SOCIETY) 

A French postal employee for the national public service La Poste stamps a letter in a central post office in Margaux, southwestern France, November 27, 2008. REUTERS/Regis Duvignau (FRANCE) 

Tommy Forrest, a Hillerich & Bradsby employee, stamps Louisville Slugger World Series logos on Tampa Bay Rays Gabe Cross's baseball bat at its Louisville Slugger plant in Louisville, KY, October 20, 2008. Production was in high gear as they rushed to make new 2008 World Series bats for players on Monday. REUTERS/ John Sommers II (UNITED STATES) 

A woman shows postage stamps bearing the image of former Chilean president Salvador Allende in front of La Moneda presidential palace in Santiago June 26, 2008. Chileans gathered on Thursday to commemorate what would have been Allende's 100th birthday. REUTERS/Víctor Ruiz Caballero (CHILE) 

Nancy Sinatra, daughter of Frank Sinatra, kisses the 42-cent First-Class Frank Sinatra commemorative stamp as Frank Jr. and granddaughter A.J. Lambert smile during a Postal Service ceremony in New York May 13, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

A woman holding a stamp and ballot papers walks to cast her vote while taking part in Pakistan's general elections in Rawalpindi February 18, 2008. REUTERS/Adrees Latif (PAKISTAN) 

A worker uses a copper stamp to imprint a pattern on a Javanese textile called batik at a workshop in Solo, Indonesia's Central Java province January 16, 2008. A number of textile companies plan to build new garment factories with a total investment of $122 million this year, Benny Soetrisno, the chairman of the Indonesian Textile Association (API) said last week. In 2007, Indonesia exported 380,000 tons of garments valued at $5.97 billion or an increase of 13.2% from the previous year. REUTERS/Beawiharta (INDONESIA) 

Iron stamps for branding champagne corks lie in a rack in the Molinas factory in Calangianus in Sardinia, the only place in Italy where cork is produced July 4, 2007. Environmentalists say cork oak forests are threatened by the rise in plastic stoppers and metal screw-tops. Picture taken July 4, 2007. To match feature ENVIRONMENT-CORK/ REUTERS/Robin Pomeroy (ITALY) 

A person works at a gold workshop in the city of Isfahan, 414 km (259 miles) south of Tehran, May 3, 2007. Picture taken May 3, 2007. REUTERS/Morteza Nikoubazl (IRAN) 

A returning officer oversees results of a spoilt paper projected on a screen behind him at an election counting centre in west Edinburgh, Scotland May 4, 2007. Scotland's parliamentary and council elections have been blighted by high numbers of spoilt votes and delays caused by a new electronic counting system. REUTERS/Toby Melville (BRITAIN) 

A postcard stamped with the Portuguese North Atlantic Selvagens islands logo is seen in North Atlantic Selvagens islands December 5, 2006. Portugal no longer sends its sailors abroad to claim new lands but relies on a state-owned mailbox to mark control over its last colony - a set of barren islands in the Atlantic Ocean. The park rangers who inhabit the Savage Islands hardly ever use the "Mail of Portugal" box, and certainly it is of little interest to the monk seals basking on the islands' shores. But Portuguese authorities believe its presence is enough to deter Spanish fishermen from trawling the surrounding waters. Picture taken December 5, 2006. REUTERS/Marcos Borga (PORTUGAL) 

Environment park ranger deputy postman Manuel Lourenco stamps the mail in the post office of the Portuguese North Atlantic Selvagens islands December 5, 2006. Portugal no longer sends its sailors abroad to claim new lands but relies on a state-owned mailbox to mark control over its last colony - a set of barren islands in the Atlantic Ocean. The park rangers who inhabit the Savage Islands hardly ever use the "Mail of Portugal" box, and certainly it is of little interest to the monk seals basking on the islands' shores. But Portuguese authorities believe its presence is enough to deter Spanish fishermen from trawling the surrounding waters. Picture taken December 5, 2006. REUTERS/Marcos Borga (PORTUGAL) 

U.S. Treasury Secretary Henry Paulson (L) shakes hands with China's President Hu Jintao during their meeting at the Great Hall of the People in Beijing September 22, 2006. Paulson met China's top two leaders in Beijing on Friday, stamping a symbolic seal on a new high-level dialogue to ease strains over trade. REUTERS/Elizabeth Dalziel/Pool (CHINA) 

A Malaysian of ethnic Chinese descent bleeds after he slit his tongue during the Hungry Ghost Festival prayer ceremony in Kuala Lumpur August 16, 2006. The man used his blood as a stamp pad ink to imprint seal marks on pieces of yellow cloths, which was distributed to the devotees. Chinese believe ghosts and spirits are released from hell to visit the earth during the seventh month of the Chinese lunar calendar, also known as the Ghost Month. Prayers are offered and paper hell money are burnt to appease the dead spirits from entering their homes and causing disturbance. REUTERS/Bazuki Muhammad (MALAYSIA) 

A Malaysian of ethnic Chinese descent bleeds after he slit his tongue during the Hungry Ghost Festival prayer ceremony in Kuala Lumpur August 16, 2006. The man used his blood as a stamp pad ink to imprint seal marks on pieces of yellow cloths, which was distributed to the devotees. Chinese believe ghosts and spirits are released from hell to visit the earth during the seventh month of the Chinese lunar calendar, also known as the Ghost Month. Prayers are offered and paper hell money are burnt to appease the dead spirits from entering their homes and causing disturbance. REUTERS/Bazuki Muhammad (MALAYSIA) 

NATO Secretary-General Jaap de Hoop Scheffer (L) and Bulgaria's Foreign Minister Ivailo Kalfin set a seal together to inaugurate a new postage stamp during the informal meeting of foreign ministers of NATO member states in Sofia April 27, 2006. REUTERS/Stoyan Nenov 

Pakistan Finance Minister Shaukat Aziz (R) speaks during a joint news
conference with World Bank chief James Wolfensohn in Islamabad May 16,
2002. Wolfensohn on Thursday stamped his seal of approval on ambitious
economic reforms being undertaken by Pakistan's military-led
government, but cautioned there was no room for complacency.
REUTERS/Mian Khursheed

MK/DL 

World Bank chief James Wolfensohn speaks at a news conference in
Islamabad on May 16, 2002. Wolfensohn on Thursday stamped his seal of
approval on ambitious economic reforms being undertaken by Pakistan's
military-led government, but cautioned there was no room for
complacency. REUTERS/Mian Khursheed

MK/CP 

An officer from the Agriculture, Fisheries and Conservation Department
looks out from a sealed off area during a depopulation exercise to
destroy around 110,000 chickens at a poultry farm in Hong Kong February
3, 2002, where over 10,000 birds died from unknown causes. Hong Kong
last year briefly suspended the sale of live chickens and culled some
1.4 million birds to stamp out the bird flu after reports that
thousands of chickens had died from the avian flu virus. REUTERS/Bobby
Yip

BY/CP 

Belgium's Prince Philippe puts the royal seal on a sheet of Belgian stamps marked for the first time ever in euros October 1 in Brussels. The value of the stamp, which features King Albert II, is 17 BEF (0,42 EUR), the normal cost of sending a letter and will be on sale from October 4.

NK/GB 

Firemen survey the scene of the M6 Motorway in Wolverhampton, September 23 where twenty two tonnes of cows blood was spilled after a seal broke on a tanker carrying the blood being destroyed under government precautions to stamp out mad cow disease BSE (Bovine Spongiform Encephalopathy). It is not yet known if the blood was infected with BSE however eight people were taken to hospital as a precaution. [BIRMINGHAM POST AND MAIL OUT] 

Firemen survey the scene of the M6 Motorway in Wolverhampton, September 23 where twenty two tonnes of cows blood was spilled after a seal broke on a tanker carrying the blood being destroyed under government precautions to stamp out mad cow disease BSE (Bovine Spongiform Encephalopathy). It is not yet known if the blood was infected with BSE however eight people were taken to hospital as a precaution.

PS/CLH/ 

A fire engine contaminated by spilled cow's blood stands on the hard shoulder of the M6 Motorway in Wolverhampton, September 23. Twenty two tonnes of cows blood was spilled onto the motorway after a seal broke on a tanker carrying the blood being destroyed under government precautions to stamp out the mad cow disease BSE (Bovine Spongiform Encephalopathy). It is not yet known if the blood was infected with BSE however eight people were taken to hospital as a precaution.

PS/CLH/ 

The new Labour cabinet meet at Downing Street for the first time May 8. (L-R) Lord Richard (Lord Privy Seal and Leader of the House of Lords), Harriet Harman (Social Security Secretary), George Robertson (Defence Secretary), Margaret Beckett (President of the Board of Trade), Jack Straw (Home Secretary), Robin Cook (Foreign Secretary), Gordon Brown (Chancellor of the Exchequer), Lord Irvine of Lairg QC (Lord Chancellor), David Blunkett (Education and Employment Secretary) and Frank Dobson (Health Secretary). The new cabinet agreed on a 17-month legislative programme to enable Prime Minister Tony-Blair to stamp the imprint of his modernising philosophy on Britain. 

The new Labour cabinet meet at Downing Street for the first time May 8. (L-R) Lord Richard (Lord Privy Seal and Leader of the House of Lords), Harriet Harman (Social Security Secretary), George Robertson (Defence Secretary), Margaret Beckett (President of the Board of Trade), Jack Straw (Home Secretary), Robin Cook (Foreign Secretary), Gordon Brown (Chancellor of the Exchequer), Lord Irvine of Lairg QC (Lord Chancellor), David Blunkett (Education and Employment Secretary) and Frank Dobson (Health Secretary). The new cabinet agreed on a 17-month legislative programme to enable Prime Minister Tony Blair to stamp the imprint of his modernising philosophy on Britain.

BRITAIN 

King Juan Carlos seals a commemorative stamp during the First Conference on Spanish language in the Ex-Convento de San Agustin in the north-central city of Zacatecas, April 7. The King presided over the conference along with Queen Sofia as part of a four-day visit to Mexico.

MEXICO