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

Health and Human Services Secretary Alex Azar smiles after handing a challenge coin to Shylee Stewart, a labor and delivery nurse, after she received a COVID-19 vaccination at George Washington University Hospital in Washington, D.C., U.S. December 14, 2020. Jacquelyn Martin/Pool via REUTERS

U.S. President Trump tosses a coin at the start of the annual Army-Navy collegiate football game at Michie Stadium, in West Point, New York, U.S., December 12, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

U.S. President Trump participates in a pre-game coin toss ahead of the annual Army-Navy collegiate football game at Michie Stadium, in West Point, New York, U.S., December 12, 2020. REUTERS/Tom Brenner

U.S. President Trump participates in a pre-game coin toss ahead of the annual Army-Navy collegiate football game at Michie Stadium, in West Point, New York, U.S., December 12, 2020. REUTERS/Tom Brenner

U.S. President Trump participates in a pre-game coin toss ahead of the annual Army-Navy collegiate football game at Michie Stadium, in West Point, New York, U.S., December 12, 2020. REUTERS/Tom Brenner

U.S. President Trump participates in a pre-game coin toss ahead of the annual Army-Navy collegiate football game at Michie Stadium, in West Point, New York, U.S., December 12, 2020. REUTERS/Tom Brenner

Silver coins found at the remains of a Roman legion's headquarters are seen at the ancient city of Viminacium, near Kostolac, Serbia, November 25, 2020. Picture taken November 25, 2020. REUTERS/Marko Djurica

South African Rand coins are seen in this illustration picture taken October 28, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken October 28, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken October 30, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken October 28, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken October 30, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken November 5, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken October 30, 2020. REUTERS/Mike Hutchings/Illustration

South African Rand coins are seen in this illustration picture taken November 5, 2020. REUTERS/Mike Hutchings/Illustration

Soccer Football - Champions League - Group D - Liverpool v FC Midtjylland - Anfield, Liverpool, Britain - October 27, 2020 Liverpool's Jordan Henderson and FC Midtjylland's Erik Sviatchenko during the coin toss before the match Pool via REUTERS/Michael Regan

A shopper pays with a 20 Euro banknote and coins to a fruit seller at a fruit store, amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain October 9, 2020. REUTERS/Jon Nazca

A shopper pays with Euro coins to a fruit seller at a fruit store, amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain October 9, 2020. REUTERS/Jon Nazca

Euro coins are seen on a table at the terrace of La Ibense ice cream shop, amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain October 9, 2020. REUTERS/Jon Nazca

David Ramirez, member of the Association for the Recovery of Historical Memory (ARMH) shows a coin and a bullet during the exhumation of a mass grave of Eugenio Insua, who is one of the 17 people who were killed by the forces of dictator Francisco Franco in July 1936 at the El Espinar cemetery, in El Spinar, Spain September 10, 2020. Picture taken September 10, 2020. REUTERS/Juan Medina

Fin août, les taliban lancèrent une offensive contre la ville stratégique de Kondoz. Ils s’avancèrent suffisamment le long des autoroutes principales reliant les quatre coins de la ville pour attaquer à l’arme à feu le siège de la police.

Cricket - Second One Day International - England v Australia - Emirates Old Trafford, Manchester - September 13, 2020 Australia's Aaron Finch and England's Eoin Morgan during the coin toss before the match Pool via REUTERS/Shaun Botterill

Cricket - First One Day International - England v Australia - Emirates Old Trafford, Manchester - September 11, 2020 Match Referee Chris Broad, England's Eoin Morgan and Australia's Aaron Finch during the coin toss before the match Jon Super/Pool via REUTERS

Cricket - Third T20 International - England v Australia - Rose Bowl, Southampton, Britain - September 8, 2020 England's Moeen Ali tosses the coin as Australia's Aaron Finch looks on before the match Dan Mullan/Pool via REUTERS

Soccer Football - UEFA Nations League - League B - Group 2 - Scotland v Israel - Hampden Park, Glasgow, Scotland, Britain - September 4, 2020 Scotland's Andy Robertson and Israel's Bibras Natcho with referee Slavko Vincic during the coin toss before the match REUTERS/Russell Cheyne

Cricket - First T20 International - England v Australia - Ageas Bowl, Southampton, Britain - September 4, 2020 England's Eoin Morgan and Australia's Aaron Finch during the coin toss Dan Mullan/Pool via REUTERS

Cricket - First T20 International - England v Australia - Ageas Bowl, Southampton, Britain - September 4, 2020 England's Eoin Morgan and Australia's Aaron Finch during the coin toss Dan Mullan/Pool via REUTERS

Cricket - Third T20 International - England v Pakistan - Emirates Old Trafford, Manchester, Britain - September 1, 2020 England's Eoin Morgan and Pakistan's Babar Azam during the coin toss before the match Mike Hewitt/Pool via REUTERS

Cricket - Third T20 International - England v Pakistan - Emirates Old Trafford, Manchester, Britain - September 1, 2020 England's Eoin Morgan during the coin toss before the match Mike Hewitt/Pool via REUTERS

Israeli archaeologist Shahar Krispin shows gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin shows gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin shows a gold coin, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin counts gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin counts gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin cleans gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Israeli archaeologist Shahar Krispin counts gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

A hoard of gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, is seen after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

A hoard of gold coins, said by the Israel Antiquities Authority to date to the Abbasid dynasty, is seen after its discovery at an archaeological site in Central Israel August 18, 2020. Picture taken August 18, 2020. Heidi Levine/Pool via REUTERS

Masked officials toss a coin to start the game between the Herriman Mustangs and Davis Darts during a game between the two high school teams, the first regular season football game in the United States since the coronavirus disease (COVID-19) pandemic began, at Herriman High School in Herriman, Utah, U.S. August 13, 2020. REUTERS/George Frey