Extremely rare error where a quarter is struck on a planchet intended for a silver dollar.
Features a doubling effect on the obverse design due to a misalignment during the minting process.
Unusual error where a quarter is struck on a planchet intended for a gold coin.
Proof sets with exceptional contrast between the design and fields, highly desirable among collectors.
Quarters struck on planchets intended for other denominations or compositions.
Proof coins with notable errors in the engraving, such as doubled dies or missing inscriptions.
Proof coins with notable errors in the engraving, such as doubled dies or missing inscriptions.
Quarters struck on planchets intended for nickels, resulting in a different composition.