Glossary
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 Spectacular Errors Transitional Errors Two-Headed Coins Two-Tailed Coins Uniface Die Trials |
 1999 Cent On A 1997 Dime Double Denomination Errors |
