1864 Indian Head Cent - Copper Nickel - SD-1c-1864-01 Split Die

Description

Documenting a median split die on the 1864 Indian Head Cent in the copper-nickel composition, SD-1c-1864-01 records one of the more dramatic forms of die failure possible during the coining process. A split die occurs when a working die develops a crack that propagates entirely across the die face, effectively dividing it into two or more sections. The "median" designation indicates the split runs through the central area of the die rather than at the periphery, affecting design elements across the middle of the coin's surface. When a split die continues to be used in production, the two sections can shift slightly relative to each other, producing coins with misaligned design features and visible crack lines that can be wide and pronounced. The 1864 Indian Head Cent in copper-nickel composition represents the final year of the thicker, heavier copper-nickel alloy (88% copper, 12% nickel) before the transition to the thinner bronze alloy (95% copper, 5% tin and zinc) later that same year. The harder copper-nickel planchets required greater striking force, which placed additional stress on die surfaces and may have contributed to the catastrophic failure documented here. James B. Longacre's Indian Head design, with its feathered headdress portrait (paired from 1860 with an oak wreath reverse), was in its sixth year of production in 1864, and dies for this design were under constant demand as Civil War-era hoarding reduced circulating coin supplies. Cataloged by Cuds on Coins as the sole documented split die for this date, with no known cross-references, SD-1c-1864-01 provides evidence of extreme die failure in Civil War-era cent production.

Cross References

• Cross reference: none. Median split die.

External References