2007-D Doubled Die Reverse WDDR-006

Description

Sixth doubled die reverse attributed to the 2007 Denver Mint Lincoln Memorial Cent, WDDR-006 continues the robust documentation of hub doubling events from the Memorial design's final years of production. Frank Gasparro's reverse, first adopted in 1959 to replace Victor David Brenner's Wheat Cent design, had served for forty-eight years by 2007 and would conclude its run after the 2008 mintage. The systematic cataloging of six DDRs for the 2007-D cent illustrates the maturity of modern variety research, where dedicated attributors purchase bank-wrapped rolls, examine coins under controlled magnification, and submit discoveries for classification against established reference standards. Hub doubling is created during die manufacture when successive hubbing impressions fail to align, and the resulting overlapping design elements in the die transfer to every coin struck — unlike mechanical doubling, which varies from coin to coin. Denver's contribution to the 2007 cent output ran into the billions, providing an enormous population from which variety researchers could identify multiple distinct DDRs. Attributed by the Wexler Team under Wexler Variety ID: 2007-D 1¢ WDDR-006, this variety requires precise comparison against reference images to distinguish it from the five other DDRs sharing the same date and mintmark.

Attribution History

• Wexler Variety ID: 2007-D 1¢ WDDR-006
• Expert attribution by Wexler Team

External References