What this classification means
A famous transitional wrong-planchet rarity: a 1943 Lincoln cent struck on a bronze planchet instead of the intended zinc-coated steel. A useful identification does more than name an unusual shape. It explains when in production the feature formed, what physical evidence should remain, and which ordinary forms of damage can imitate it.
Diagnostic evidence to record
Verify weight, magnetism, date style, mintmark, surface, and authoritative certification.
- Compare with certified examples and mint-production references, not viral price claims.
Common lookalikes and failure points
Copper-plated steel cents, altered 8s, counterfeits, and foreign planchets are common.
A practical examination sequence
- Confirm the host coin. Identify denomination, design subtype, date, mint, composition, and expected weight.
- Describe before naming. Write what the metal actually does without using a marketplace label.
Value factors
Use United States Mint production references to understand how blanks, planchets, dies, collars, and presses work. Use major grading-service references to compare diagnostic language. Treat marketplace descriptions as leads to investigate.