CU-1C-1979D-08 Cud
Error
Description
Completing the 1979 Denver cud entries in this batch, CU-1C-1979D-08 was cataloged by Cuds on Coins and documents the eighth confirmed terminal rim fracture on 1979-D Lincoln Memorial cents. Eight distinct cuds is a substantial count that places the 1979-D date among the more extensively documented Denver Mint issues for this error type within the Lincoln Memorial cent series. Each entry represents an independent die failure event — a separate working die whose rim succumbed to fatigue damage at its own unique location and its own point in its service life. The progression from a fresh die to a cud-producing die passes through intermediate stages: initial die cracks form as fine raised lines on struck coins, these cracks extend and multiply as die use continues, and eventually a crack reaches sufficient length and propagation depth to isolate a rim fragment from the die body. Once detachment occurs, the die enters its terminal phase, producing cuds on every subsequent coin until an operator identifies the defect and pulls the die from the press. CU-1C-1979D-08 represents one such terminal event captured in the numismatic record, identifiable by its specific break location and the absence of design detail in the affected rim zone. Denver's D mintmark appears on all 1979-D cents, which were struck from 95% copper planchets. Attribution by Cuds on Coins.
Attribution History
- Discovered by Don Moody on ebay
- CU-1C-1979D-08
- Expert attribution by Cuds on Coins
External References
Community & Reference
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