2001D-1DER-004T Trail Die Reverse

Description

Fourth reverse trail die cataloged for the 2001 Denver Mint Lincoln Memorial cent, 2001D-1DER-004T records an ejection-failure transfer event from Denver's cent production line. The D mintmark in the catalog designation distinguishes this from Philadelphia trail dies, documenting that Denver's high-speed presses experienced similar ejection malfunctions during their own substantial 2001 cent output of approximately 4.96 billion pieces. Trail die mechanics operate identically regardless of mint facility — a struck coin fails to eject from the collar assembly, remains against one die face, and transfers a faint incuse impression of its design onto the next incoming planchet during the subsequent press cycle. The relatively low sequence number (004) for Denver's 2001 reverse trail die census may reflect either a genuinely lower frequency of documented events at Denver compared to Philadelphia for the same period, or simply a different stage in the ongoing cataloging process. On the reverse, trail die transfer marks consist of faint incuse traces from the stranded coin's obverse — ghostly outlines of Lincoln's portrait, the date 2001, LIBERTY, and IN GOD WE TRUST appearing as subtle shadows embedded in Frank Gasparro's Lincoln Memorial reverse design. Denver's Lincoln Memorial cents from 2001 carry the small D mintmark below the date on the obverse, and the coining operations used the same automated high-speed press equipment as Philadelphia, operating at comparable rates where ejection anomalies occurred as a normal statistical consequence of billion-scale production volumes. Collectors should examine the reverse fields under shallow-angle fiber-optic illumination at 8-12x magnification, with particular attention to the open areas surrounding the Memorial building where incuse obverse design transfers contrast most clearly against the uninscribed field surfaces.

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