1969-S Doubled Die Reverse WDDR-002

Description

Struck as part of the 1969 San Francisco proof set, WDDR-002 for the 1969-S Kennedy half dollar documents a doubled die reverse variety from the silver-clad era when proof half dollars contained 40% silver in their outer layers bonded to a 79% silver core. The Wexler Team attributed this variety under Wexler Variety ID 1969-S 50c Pr WDDR-002, confirming its proof-only origin. During 1969, the San Francisco Mint produced 2,934,631 proof sets, each containing a half dollar struck from specially prepared dies on polished planchets, and the controlled striking conditions of proof production sometimes amplified rather than concealed hub doubling because the mirror-field finish creates higher contrast around doubled design elements. The DDR mechanism involves misalignment during successive hub impressions on the reverse working die, creating a secondary image offset from the primary design. On Kennedy half dollar reverses — designed by Frank Gasparro and featuring the heraldic eagle with shield, olive branch, and arrows — doubled die effects typically appear most prominently on the eagle's wing feathers, the shield lines, and the E PLURIBUS UNUM motto on the ribbon above the eagle. The silver-clad composition of 1965-1970 proof halves adds a metallurgical dimension to variety collecting, as the softer silver alloy sometimes produced different flow characteristics during striking than the copper-nickel clad composition that replaced it in 1971, potentially affecting how doubled design elements present on the finished coin's surface.

Attribution History

• Wexler Variety ID: 1969-S 50¢ Pr WDDR-002
• Expert attribution by Wexler Team

External References