DC-1c-1997-01R Die Chip

Description

Located on the reverse of a 1997 Philadelphia Mint Lincoln Memorial Cent, this die chip represents the first documented example for the date, cataloged with the "R" suffix indicating the chip appears on the reverse die rather than the obverse. Die chips form when localized stress or material defects cause a small piece of the die surface to fracture and break away, and the resulting cavity fills with metal during striking to produce a raised bump on the finished coin. The reverse placement means this chip appears somewhere among Frank Gasparro's detailed Lincoln Memorial design — the twelve columns, the facade, the inscriptions, or the small seated Lincoln statue — any of which can harbor die chips that collectors document individually by position. Cataloged by Cuds on Coins with no known cross-references, DC-1c-1997-01R establishes the initial reverse die chip entry for 1997-P cents. The 1997 Philadelphia cent was struck in large quantities as part of the ongoing multi-billion-coin annual cent production of the late 1990s. Lincoln Memorial Cents from this era were struck on copper-plated zinc planchets, a composition change introduced in 1982 that altered the striking characteristics compared to the earlier bronze alloy. The interaction between the harder die steel and the softer zinc-core planchets produces different stress patterns than bronze striking, though die chips occur on both compositions as a fundamental consequence of repetitive high-force striking.

Attribution History

• Discovered by Earl M
• Expert attribution by Cuds on Coins

External References