An Iraqi man tosses a coin while playing a traditional game of Mheibes, during the holy month of Ramadan, at Al-Shaab International Stadium?in Baghdad, Iraq May 5, 2021. Picture taken May 5, 2021. REUTERS/Teba Sadiq

A view shows a newly-issued 1,000 Kazakh tenge commemorative silver coin, that features a golden profile of Kazakh former President Nursultan Nazarbayev, in Almaty, Kazakhstan April 30, 2021. REUTERS/Mariya Gordeyeva

A view shows a newly-issued 1,000 Kazakh tenge commemorative silver coin in Almaty, Kazakhstan April 30, 2021. REUTERS/Mariya Gordeyeva

A view shows a newly-issued 1,000 Kazakh tenge commemorative silver coin, that features a golden profile of Kazakh former President Nursultan Nazarbayev, in Almaty, Kazakhstan April 30, 2021. REUTERS/Mariya Gordeyeva

A view shows a newly-issued 1,000 Kazakh tenge commemorative silver coin, that features a golden profile of Kazakh former President Nursultan Nazarbayev, in Almaty, Kazakhstan April 30, 2021. REUTERS/Mariya Gordeyeva

Mudlarks Joe Allen and Javi Valero scavenge for small coins and other bits of shipping history on the River Thames opposite the financial district of Canary Wharf, in London, Britain April 25, 2021. Picture taken April 25. REUTERS/Kevin Coombs

Mudlark Joe Allen scavenges for small coins and other bits of shipping history on the River Thames opposite the financial district of Canary Wharf, in London, Britain April 25, 2021. Picture taken April 25. REUTERS/Kevin Coombs

U.S. President Joe Biden gives a coin to Logan Evans, son of late U.S. Capitol Police officer William "Billy" Evans, during a memorial service as Evans lies in honor in the Rotunda at the U.S. Capitolin Washington, DC, U.S. April 13, 2021. Drew Angerer/Pool via REUTERS

U.S. President Joseph R. Biden Jr. gives Logan Evans, son of U.S. Capitol Police officer William Evans, a Challenge Coin during the funeral of his father in the Capitol Hill’s Rotunda in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

U.S. President Joe Biden gives a coin to Logan Evans, son of the late U.S. Capitol Police officer William "Billy" Evans during a memorial service as Evans lies in honor in the Rotunda at the U.S. Capitol in Washington, DC, U.S. April 13, 2021. Drew Angerer/Pool via REUTERS

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore are paraded in front of empty stands after winning the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore are taken to the parade ring after winning the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Runners in action during the 5:15 Goffs UK Nickel Coin Mares' Standard Open NH Flat Race Pool via REUTERS/Peter Powell

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore win the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Runners in action during the 5:15 Goffs UK Nickel Coin Mares' Standard Open NH Flat Race Pool via REUTERS/Peter Powell

Soccer Football - Champions League - Quarter Final First Leg - FC Porto v Chelsea - Ramon Sanchez Pizjuan, Seville, Spain - April 7, 2021 FC Porto's Pepe and Chelsea's Cesar Azpilicueta with the match officials during the coin flip before the match REUTERS/Marcelo Del Pozo

Cricket - Third One Day International - India v England - Maharashtra Cricket Association Stadium, Pune, India - March 28, 2021 England's Jos Buttler and India's Virat Kohli after the coin toss REUTERS/Francis Mascarenhas

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

A view shows Russian rouble coins in this illustration picture taken March 25, 2021. REUTERS/Maxim Shemetov/Illustration

Commemorative two euro coins for the 200 years since the Greek War of Independence, are struck at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

An employee of the National Mint checks commemorative two euro coins for the 200 years since the Greek War of Independence, in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

Commemorative two euro coins for the 200 years since the Greek War of Independence, are struck at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

An employee of the National Mint works on the die of a commemorative ten euro coin for the 200 years since the Greek War of Independence, depicting former Greek prime minister Eleftherios Venizelos, in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

The design of a commemorative ten euro coin for the 200 years since the Greek War of Independence, depicting former Greek prime minister Eleftherios Venizelos, is sculpted at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

Commemorative ten euro coins for the 200 years since the Greek War of Independence are displayed at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

Commemorative ten euro coins for the 200 years since the Greek War of Independence are struck at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

The die of a commemorative ten euro coin for the 200 years since the Greek War of Independence, depicting former Greek prime minister Eleftherios Venizelos, is cut by a milling machine at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

A commemorative ten euro coin for the 200 years since the Greek War of Independence, depicting former Greek Prime Minister Eleftherios Venizelos, is displayed at the National Mint in Athens, Greece, March 19, 2021. Picture taken March 19, 2021. REUTERS/Alkis Konstantinidis

A Christa McAuliffe coin is displayed before it is given to U.S. First lady Jill Biden during her visit to Christa McAuliffe School in Concord, New Hampshire, U.S., March 17, 2021. Susan Walsh/Pool via REUTERS

U.S. First lady Jill Biden holds a Christa McAuliffe coin she received as she speaks during a visit at Christa McAuliffe School in Concord, New Hampshire, U.S., March 17, 2021. Susan Walsh/Pool via REUTERS

An employee holds ancient coins, part of various artefacts recently discovered in the Judean Desert caves along with scroll fragments of an ancient biblical texts, during an unveiling event for media at Israel Antiquities Authority laboratories in Jerusalem March 16, 2021. REUTERS/Ammar Awad

An employee holds an ancient coin, part of various artefacts recently discovered in the Judean Desert caves along with scroll fragments of an ancient biblical texts, during an unveiling event for media at Israel Antiquities Authority laboratories in Jerusalem March 16, 2021. REUTERS/Ammar Awad

Ancient coins, part of various artefacts recently discovered in the Judean Desert caves along with scroll fragments of an ancient biblical texts, are seen during an unveiling event for media at Israel Antiquities Authority laboratories in Jerusalem March 16, 2021. REUTERS/Ammar Awad

Coins collected by a musical group who perform under an overpass for money, because they are not allowed to play in parties as a measure to avoid more infections with the coronavirus disease (COVID-19), are pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Coins collected by a musical group who perform under an overpass for money, because they are not allowed to play in parties as a measure to avoid more infections with the coronavirus disease (COVID-19), are pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Newly-minted coins bearing the slogan 'Egypt's Medical Teams', to commemorate Egypt's frontline workers fighting the coronavirus disease (COVID-19) pandemic, are seen in Cairo, Egypt February 15, 2021. Picture taken February 15, 2021. REUTERS/Sayed Sheasha

A clerk shows a newly-minted coin bearing the slogan 'Egypt's Medical Teams', to commemorate Egypt's frontline workers fighting the coronavirus disease (COVID-19) pandemic, at the Egyptian Mint Authority, in Cairo, Egypt February 15, 2021. Picture taken February 15, 2021. REUTERS/Sayed Sheasha

A customer holds up a newly-minted coin bearing the slogan 'Egypt's Medical Teams', to commemorate Egypt's frontline workers fighting the coronavirus disease (COVID-19) pandemic, at a pharmacy in Cairo, Egypt February 15, 2021. Picture taken February 15, 2021. REUTERS/Sayed Sheasha

A pile of newly-minted coins bearing the slogan 'Egypt's Medical Teams', to commemorate Egypt's frontline workers fighting the coronavirus disease (COVID-19) pandemic, is seen in Cairo, Egypt February 15, 2021. Picture taken February 15, 2021. REUTERS/Sayed Sheasha

U.S. President Joe Biden hands a challenge coin off after exiting Marine One ahead of boarding Air Force One to depart Washington for travel to Wilmington, Delaware at Joint Base Andrews, Maryland, U.S., February 5, 2021. REUTERS/Joshua Roberts

Medals depicting old coins from Islamic and Christian eras are seen at the Mint Museum, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

Sherif Hazem Mansour, Advisor to the Minister of Finance, looks at medals depicting coins at the Mint Museum, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

A man receives a bag containing coins of a one Egyptian pound after changing money from the Egyptian Mint Authority, on the Police Day which falls on January 25, the anniversary of the country's 2011 uprising, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

A man displays a coin of a one Egyptian pound at the Mint Museum to mark the Police Day which falls on January 25, the anniversary of the country's 2011 uprising, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

A man receives a bag containing coins of a one Egyptian pound after changing money from the Egyptian Mint Authority, on the Police Day which falls on January 25, the anniversary of the country's 2011 uprising, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

Coins of a one Egyptian pound are seen at the Mint Museum to mark police day which falls on January 25, the anniversary of the country's 2011 uprising, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

Egyptian coins are seen the Mint Museum on the police day which which falls on January 25, the anniversary of the country's 2011 uprising, in Cairo, Egypt January 25, 2021. REUTERS/Amr Abdallah Dalsh

A man shows a 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic, at the Italian Mint in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

A man shows a 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic, at the Italian Mint in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

An engraver works on a coin as the Italian Mint announced it will stamp a new 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic, at the Italian Mint in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

An engraver works on a coin as the Italian Mint announced it will stamp a new 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic, at the Italian mint in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

A 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic is displayed at the Italian Mint, in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

The engraver who worked on the new 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic, is seen at work at the Italian Mint, in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane

A 2 euro coin commemorating the role of health workers during the coronavirus disease (COVID-19) pandemic is displayed at the Italian Mint, in Rome, Italy, January 21, 2021. REUTERS/Guglielmo Mangiapane REFILE - CORRECTING YEAR

North Rhine-Westphalia's State Premier and candidate for the leader of the Christian Democratic Union (CDU) Armin Laschet shows a luck coin offered to him by his father as he delivers his speech during the second day of the party's 33rd congress held online amidst the coronavirus disease (COVID-19) pandemic, in Berlin, Germany January 16, 2021. Odd Andersen/Pool via REUTERS

People wearing protective masks amid the coronavirus disease (COVID-19) outbreak, throw coins as they pray on the first day of the new year at the Meiji Shrine in Tokyo, Japan, January 1, 2021. REUTERS/Kim Kyung-Hoon