1933 Saint-Gaudens Double Eagle ($20 Gold Coin): With only a few legal specimens in existence, this coin has fetched over $18 million at auction, making it the most valuable coin in the world.
1794 Flowing Hair Silver Dollar: The first dollar coin minted by the United States, known for its rarity and historical significance. Well-preserved examples have sold for over $10 million.
1804 Silver Dollar: Despite its date, these dollars were minted later as diplomatic gifts. Only a few originals exist, each valued in the millions.
1913 Liberty Head Nickel: Only five examples are known to exist, with one selling for over $3 million. These nickels were produced under unusual circumstances, adding to their rarity.
1343 Edward III Florin: A medieval English coin, known as the Double Leopard, with only three specimens known to exist. It holds immense historical and numismatic significance, valued at millions.
1787 Brasher Doubloon (EB on Breast): Created by goldsmith Ephraim Brasher, this early American coin is exceptionally rare and highly prized by collectors, selling for $7.4 million in recent years.
1933 Double Eagle (King Farouk Specimen): Previously owned by King Farouk of Egypt, this coin sold for $7.59 million in 2002, due to its rarity and historical provenance.
1793 Chain Cent: Among the first coins minted by the United States Mint, these are highly sought after by collectors for their historical significance and rarity.