1794 Flowing Hair Silver Dollar: Often considered the first silver dollar minted by the U.S., this coin is extremely rare and valuable, with one specimen selling for over $10 million.
1933 Saint-Gaudens Double Eagle: This $20 gold coin was never officially released due to the U.S. going off the gold standard.
1804 Silver Dollar: Known as the "King of American Coins," the 1804 dollar was actually minted in the 1830s as diplomatic gifts.
1913 Liberty Head Nickel: Only five of these nickels were produced under mysterious circumstances, and they are highly prized by collectors. One sold for over $4 million.
1787 Brasher Doubloon: Minted by goldsmith Ephraim Brasher, this gold coin is one of the earliest and most famous American coins, with specimens fetching millions of dollars at auction.
1804 Draped Bust Quarter: This coin is so rare that only six specimens are known to exist, making it one of the most coveted coins for collectors of early American coinage.
1861 Confederate States Half Dollar: Only four originals were minted by the Confederate States of America, making them incredibly rare and valuable. One of these coins can be worth over $1 million.