Double Die Obverse: This error features noticeable doubling of the date and motto, making these quarters rare and highly valuable
Off-Center Strikes: Quarters struck significantly off-center yet retaining all critical design elements are unique and fetch premium prices due to their rarity
Overstruck on Foreign Coins: Some Bicentennial Quarters were mistakenly overstruck on foreign coins, blending two different currencies and creating rare, highly prized collectibles
Full Drum Lines: Quarters with full, sharply struck drum lines on the reverse side are particularly desirable. These coins showcase exceptional detail in their design
Clipped Planchet Errors: Errors in the blanking process before striking can result in quarters with missing sections of metal. These clipped planchet errors are prized for their rarity and uniqueness
Triple Struck Error: Some quarters were struck three times due to minting process malfunctions, resulting in distorted appearances and making them extremely rare and valuable