UDC-25c-1997P-01 Unusual Die Crack
Error
Description
Cataloged by Cuds on Coins, the UDC-25c-1997P-01 is the first documented unusual die crack on the 1997 Washington Quarter from the Philadelphia Mint — a date from the final year of the pre-State Quarter clad and silver proof series. Unusual die cracks earn their classification by exhibiting patterns that deviate from the typical straight or slightly curved cracks that commonly develop on dies during normal production. Where standard die cracks follow predictable paths along stress lines from the rim through design elements, unusual die cracks may branch, zigzag, form loops, or trace unexpected routes through the die surface, creating distinctive raised patterns on struck coins that are individually identifiable. The 1997-P Washington Quarter was one of the last quarters struck under John Flanagan's original 1932 design before the 50 State Quarters Program began in 1999, transforming the quarter's reverse design on a rotating basis. Die crack varieties from the final years of the pre-State Quarter era represent the closing chapter of a 65-year design run, and unusual crack patterns are valued by die failure specialists for the insight they provide into non-standard stress propagation within die steel.
Attribution History
- Discovered by Pete Apple
- Expert attribution by Cuds on Coins
External References
Community & Reference
Related Errors
More Unusual Die Crack Errors

1794 Liberty Cap Right Half Cent Unusual Die Crack and Tapered Planchet
Unusual Die Crack
1795 Liberty Cap Right Half Cent (Plain Edge, No Pole) Unusual Die Crack
Unusual Die Crack
1804 Draped Bust Half Cent (Crosslet 4, Stems) Unusual Die Crack
Unusual Die Crack
1793 Wreath Cent (Periods Variety) Obverse Unusual Die Crack
Unusual Die Crack
1793 Wreath Cent (Vine and Bars) Reverse Unusual Die Crack
Unusual Die CrackCollector Essentials
Tools for examining and preserving error coins and die varieties.
10x-20x Jeweler's Loupe
Essential for examining die varieties, doubled dies, and RPMs
Cherry Picker's Guide
The definitive reference for U.S. error coins and die varieties
2x2 Coin Flips & Holders
Protect and organize your finds with archival-quality holders
USB Digital Microscope
Capture detailed images for documentation and community submissions
As an Amazon Associate, NumisDex earns from qualifying purchases.




