The most expensive U.S. coins are:
Saint-Gaudens Double Eagle $20 Gold Coin (1933) – sold for $18.8 million
Flowing Hair Dollar (1794) – sold for $10 million
Brasher Doubloon (1787) – sold for $9.36 million
Eagle $10 Gold Coin (1804) – sold for $5.2 million
Silver Dollar (1804) – sold for $7.68 million
Half Eagle $5 Gold Coin (1822) – sold for $8.4 million
Brasher Doubloon (1787) – sold for $9.36 million