IDB-1c-1953-01R Interior Die Break

Description

Cataloged by Cuds on Coins, the IDB-1c-1953-01R is the first documented interior die break variety for the 1953 Lincoln wheat cent. An interior die break differs fundamentally from a cud or retained cud in its location: while cuds and retained cuds involve fractures along the die rim where the die face meets the collar, interior die breaks occur entirely within the interior field of the die, away from the rim edge. When a piece of the die surface breaks away from an interior location, the resulting void fills with metal during striking, producing a raised, featureless blob surrounded by normal design detail — a distinctive appearance that sets interior die breaks apart from rim-associated cud formations. Philadelphia struck approximately 256.9 million cents in 1953, a production volume that subjected working dies to extensive cyclic stress. Interior die breaks originate from subsurface flaws in the die steel — inclusions, voids, or crystallographic weaknesses that create nucleation points for fractures under repeated impact loading. When such a flaw reaches critical size, the overlying die surface separates and ejects, leaving a depression in the die that produces the characteristic raised blob on struck coins. No cross-references from other attribution services have been established for this variety. Victor David Brenner's wheat cent design places multiple elements across the obverse and reverse fields where interior breaks can occur, and each break's specific location and shape serve as diagnostics for identifying the particular die involved. Collectors should look for a raised, irregular mass located away from the coin's rim and surrounded by otherwise normal design detail — the interior position distinguishes this die failure type from cuds, while the featureless raised surface distinguishes it from design elements.

Attribution History

• Discovered by George dePozgay
• Expert attribution by Cuds on Coins

External References