1984 Atypical Die Clash ADC-1C-1984-09
Error
Description
Ninth documented atypical die clash for the 1984 Philadelphia Mint Lincoln Memorial Cent, this variety from the collection of Joe Koelling reveals that three separate clash events occurred despite the obverse initially appearing to show evidence of only two. Cataloged by MadDieClashes under designation ADC-1c-1984-09, an atypical die clash occurs when the obverse and reverse dies strike each other without a planchet between them, but with an abnormal alignment — tilted, rotated, or offset — transferring ghost-like impressions of each die's design onto the other. While normal die clashes produce predictable clash marks based on the standard die alignment, atypical clashes create unexpected design transfers because the dies met at an unusual angle. The reverse of this particular specimen reveals evidence of three distinct clash events, meaning the dies contacted each other without a planchet three separate times, each potentially at a different misalignment, before the die was retired or the clash marks were polished away. Atypical die clashes on Lincoln Memorial Cents are actively documented by the MadDieClashes research group, which has built a comprehensive catalog of these unusual minting errors. The 1984-P date falls during the Modern Clad Era when Philadelphia's high-volume production consumed many die pairs, and die clashes could occur during the rapid cycling of the coining press when a planchet failed to feed between strikes.
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