1933 Saint-Gaudens Double Eagle, $18.9M Perhaps the most famous U.S. coin is the 1933 Double Eagle. Over 445,000 coins were made but never circulated. Nearly all specimens were melted down after President Franklin D. Roosevelt's gold standard abandonment presidential order.
1794 Flowing Hair Silver Dollar—$10 Million The first US silver dollar is this coin. The 1794 Flowing Hair Silver Dollar depicts Lady Liberty with a bald eagle, reflecting a new nation's identity.
1787 Brasher Doubloon—$9.36 Million Before the U.S. established a mint, private minters like Ephraim Brasher produced coins for trade. He made the Brasher Doubloon, a gold coin with his initials, as a goldsmith and neighbor of George Washington.
$723 CE Umayyad Gold Dinar sold for $6 million The Umayyad Gold Dinar, produced in 723 CE by Caliph Abd al-Malik ibn Marwan, is one of the most precious Islamic coins outside the U.S. It was one of the first Islamic coins to mention the Caliph's gold mine, making it significant.
1913 Liberty Head Nickel—$4.5 Million This coin's origin is unknown. Liberty Head nickel manufacture was never authorized by the U.S. Mint in 1913. Five examples are believed to have been discreetly struck by a mint employee.