1968-D Atypical Die Clash ADC-1C-1968D-01

Description

Cataloged by MadDieClashes as ADC-1C-1968D-01, this atypical die clash on the 1968-D Lincoln Memorial cent documents an unusual die interaction at the Denver Mint where the obverse and reverse dies contacted each other without a planchet between them in a non-standard alignment. Atypical die clashes differ from typical clashes in a critical way: while both result from the dies striking each other in the absence of a planchet, atypical clashes involve the dies meeting at an unusual angle, rotation, or offset from their normal parallel alignment, producing clash transfer marks in unexpected positions that do not correspond to the standard mirror-image pattern. Victor David Brenner's Lincoln obverse and Frank Gasparro's Memorial reverse provide a well-documented pair of complementary designs whose standard clash patterns are thoroughly understood — clash marks from IN GOD WE TRUST appearing near the memorial steps, or memorial column impressions appearing near Lincoln's shoulder — so atypical marks falling outside these predicted locations immediately signal an unusual die interaction event. The ADC catalog designation follows the MadDieClashes format: ADC for atypical die clash, 1C for the one-cent denomination, 1968D for the Denver Mint date, and 01 indicating the first atypical clash documented for this issue. Denver struck approximately 2.89 billion cents in 1968, the first year mintmarks returned to United States coinage after the 1965-1967 removal period, generating massive die usage across the production year. The sheer volume of dies in service at Denver during this high-output year increased the probability of die clash events occurring across multiple press setups. Collectors should examine both obverse and reverse fields for raised marks or partial design transfers that appear in locations inconsistent with the standard clash geometry expected from a properly aligned die pair.

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