Key Feature: Minting error or wrong planchet Estimated Value: $50 million Historical Significance: Commemorates U.S. Bicentennial
Key Feature: First U.S. silver dollar Estimated Value: $750,000+ Historical Significance: First silver dollar in U.S. history
Key Feature: One of few surviving coins planchet Estimated Value: $7.5 million+ Historical Significance: Abandoned gold standard coin
Key Feature: Limited mintage, diplomatic gift Estimated Value: $4 million+ Historical Significance: Known as the “King of American Coins”