RIDB-1c-1958-05 Retained Interior Die Break

Description

Cataloged as RIDB-1c-1958-05 by Cuds on Coins, this retained interior die break on the 1958 Lincoln wheat cent documents a die fracture that occurred within the interior field of the die rather than extending from the rim — a less common failure mode than rim-connected cracks. The year 1958 holds special significance for wheat cent collectors: it was the final year of the wheat reverse design that had been in continuous production since 1909, before Frank Gasparro's Lincoln Memorial reverse replaced it in 1959. Victor David Brenner's wheat ears flanking ONE CENT and E PLURIBUS UNUM had defined the cent's reverse for forty-nine years, making 1958 the last date available for wheat cent variety hunting within this iconic series. Philadelphia struck approximately 252.5 million cents in 1958, a moderate mintage for the era. Interior die breaks differ mechanically from rim-connected fractures: because the broken section is entirely surrounded by intact die steel, it cannot separate and fall away as a cud would. Instead, the fractured fragment remains captured within the die body but may shift slightly under striking pressure, producing a raised area on the struck coin that corresponds to the broken die section. The fifth cataloged RIDB for 1958 indicates multiple working dies experienced interior fractures during this date's production run — a pattern consistent with the die steel metallurgy and heat-treating practices of the late 1950s. Collectors should examine both sides of 1958 wheat cents under 10-15x magnification, looking for a raised irregular patch within the design field — distinct from a rim cud — that shows subtly distorted or slightly elevated design elements compared to the surrounding normally struck areas.

Attribution History

• Discovered by JC Stevens
• Expert attribution by Cuds on Coins

External References