CategoriesBrockages![]() Counterbrockages ![]() Die Adjustment Strikes ![]() Die Caps ![]() Die Trials ![]() Double Denomination ![]() Double/Multiple Strikes ![]() Dual Countries ![]() Experimental Blanks ![]() Experimental Strikes ![]() Experimental Surface ![]() Feeder Finger Strikes ![]() Gold Die Trials ![]() Gold Errors ![]() Gold Off-Metals ![]() Intentional Errors ![]() Martha Washington Test Pieces ![]() Mated Pairs ![]() Mules ![]() Multiple Errors ![]() Off-Centers ![]() Off-Metals ![]() Overstrikes ![]() Pattern Die Trials ![]() Pattern Errors ![]() Pattern Mules ![]() Platinum Errors ![]() Proof Errors ![]() Specimens ![]() Spectacular Errors ![]() Transitional Errors ![]() Two-Headed Coins ![]() Two-Tailed Coins ![]() Uniface Die Trials ![]() Unique Coins |
![]() ![]() ![]() Experimental BlanksThis is part of the U.S. Mint's history and production of experimental coinage. These experimental blanks and planchets were previously unknown to the numismatic community. |