Flowing Hair Silver Dollar (1794) - There are only 15 known specimens of this coins

Brasher Doubloon (1787) - This coin was struck privately by Ephraim Brasher, 

Fugio Cent (1787) - This was the first coin officially issued by the United States government. 

Umayyad Gold Dinar (723) - This coin was struck during the Umayyad Caliphate, one of the largest and most powerful empires in history.

Edward III Florin (1343) - This coin was struck by King Edward III of England. It was the first gold coin to be widely circulated in Europe.

1943 Lincoln Head Copper Penny - This coin was accidentally struck on a copper blank instead of a steel blank.

2007 $1 Million Canadian Gold Maple Leaf - This coin is the world's largest and most valuable gold coin.

1913 Liberty Head V Nickel - This coin was struck illegally by Samuel Brown, an employee of the United States Mint.

1894-S Barber Dime - This coin was struck at the San Francisco Mint, which had a very low mintage that year.

1907 Ultra High Relief Saint-Gaudens Double Eagle - This coin was designed by Augustus Saint-Gaudens