View All 2021 (P) Lincoln Shield Cent

SKH-1c-2021-12 Spiked Head

Error
2021 (P) Cent Spiked Head error coin
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Verified LegacySpiked Head

Attribution

C

Verified by

Cuds on Coins

Market Value
N/A
Rarity Index
N/A
Discovery Date
2021
Last Sold
N/A

Description

Die families—groups of varieties produced from dies that were hubbed from the same working hub or that show related die characteristics—offer a framework for understanding how multiple spiked head varieties on a single date may be more closely related than their separate catalog numbers suggest. For the 2021 (P) Lincoln Shield Cent, where varieties including SKH-1c-2021-12 and its numbered neighbors were all produced by Philadelphia Mint dies hubbed from the same master, the notion of die families implies that certain crack-susceptible die zones may appear consistently across multiple working dies derived from the same generation of hubs. If a hub has a subtle flaw or stress concentration at a particular point, every working die produced from it may be predisposed to crack in the same area—leading to a cluster of spiked head varieties that are related by shared manufacturing heritage rather than by coming from the same individual die. Advanced die family research represents a frontier area within Lincoln cent variety studies.

Attribution History

  • Discovered by Mitch Wilkinson
  • Cross reference: none. 03/16/2023.
  • Expert attribution by Cuds on Coins

External References

Last updated: July 17, 2026

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