Only a few examples exist due to their recall and melting, making them extremely valuable, with one selling for over $18 million.
Considered the first U.S. silver dollar, its rarity and historical significance make it worth up to $12 million.
Includes coins struck for the British monarch Edward VII, with one set fetching over $8 million at auction.
Only five known, this coin’s rarity and unique history make it worth around $4.56 million.
Known as the "King of American Coins," this coin’s rarity makes it worth up to $4.1 million.
A rare error coin struck in bronze instead of steel, with examples valued at over $1.7 million.
Only 24 were minted, making it highly collectible and worth up to $2 million.
One of the earliest U.S. gold coins, its rarity and historical importance make it worth around $1.5 million.