1953-S Repunched Mintmark RPM-025

Description

Tracked by VarietyVista with die identifiers UVC-506 and DMR-031, the 1953-S RPM-025 Lincoln Wheat Cent presents a repunched S mintmark from the San Francisco Mint with an unusually detailed three-stage die state progression. Stage A records a split condition where the obverse is in early die state (EDS) while the reverse has already advanced to mid-die-state (MDS) — an asymmetric wear pattern indicating the reverse die experienced heavier deterioration earlier in the die's service life, possibly due to differences in design relief or striking pressure distribution between the two dies. Stage B is mid-die-state (MDS, unconfirmed), while Stage C shows the obverse reaching late-to-mid die state (LMDS) and the reverse advancing to very late die state (VLDS) — confirming the reverse die's faster deterioration rate continued throughout the die pair's lifespan. This differential wear rate between obverse and reverse dies provides insight into the mechanical dynamics of the striking process for this specific die pair. The Lincoln Wheat Cent was struck at the San Francisco Mint in 1953 in the standard bronze composition of 95% copper with 5% tin and zinc, weighing 3.11 grams with a diameter of 19.05 mm. Victor David Brenner designed the obverse Lincoln portrait. The 1953-S had a mintage of approximately 181.8 million pieces, and the San Francisco Mint's hand-punched S mintmark on each working die created opportunities for the repunching events documented by RPM varieties like this one. The detailed die stage progression — particularly the differential wear rates — makes this variety valuable for understanding die life patterns in mid-1950s cent production.

Die Markers

• UVC-506
• DMR-031
• Stage A:
• Obverse is EDS
• Reverse is MDS
• Stage B:
• MDS (unconfirmed)
• Stage C:
• Obverse is LMDS
• Reverse is VLDS

External References