1970 Doubled Die Obverse WDDO-019

Description

Carrying the Wexler designation 1970 1¢ WDDO-019, this doubled die obverse variety from the Philadelphia Mint has earned a cross-reference in the CONECA attribution system as 2-O-V, providing independent verification through a second major variety organization. The CONECA listing confirms this variety has been examined and accepted by both Wexler and CONECA attributors — a dual listing that strengthens collector confidence in the variety's legitimacy and aids in market recognition. The "2-O-V" CONECA designation indicates this is an obverse doubled die classified within CONECA's numbering framework. Hub doubling on 1970 Philadelphia cents reflects the mechanical realities of die production during this period: working dies received their design impressions from a hub through a process requiring tremendous hydraulic pressure, and any rotational or translational shift between successive hubbing operations left permanent doubled impressions in the die steel. The extensive roster of 1970-P DDO varieties — spanning well beyond eighteen Wexler numbers — speaks to the scale of Philadelphia Mint production and the statistical inevitability that some percentage of dies would exhibit detectable hub doubling. For attribution purposes, collectors should note both the Wexler and CONECA designations when documenting this variety, as different reference sources and dealer listings may cite either system.

Attribution History

• Discovered by Frank Baumann Cross References: CONECA: 2-O-V
• CONECA: 2-O-V; Wexler Variety ID: 1970 1¢ WDDO-019
• Expert attribution by Wexler Team

External References