View All 1970 (S) Proof Kennedy Half Dollar

1970-S Doubled Die Obverse DDO-007

Error
1970 (S) Half Dollar Doubled Die Obverse error coin
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Verified LegacyDoubled Die Obverse

Attribution

V

Verified by

VarietyVista

Market Value
N/A
Rarity Index
N/A
Discovery Date
1970
Last Sold
N/A

Description

Produced during the final year of 40% silver Kennedy Half Dollar proof coinage, DDO-007 on the 1970-S issue exhibits light spread on IN GOD WE TRUST and the date across Gilroy Roberts's obverse portrait of President Kennedy. The reverse design by Frank Gasparro features the presidential coat of arms. Die markers UVC-540 and DMR-011 confirm the specific working die, cataloged across three documented stages: Stage A where both obverse and reverse are in Early Die State, presenting the sharpest expression of the light spread; Stage B in Mid Die State (unconfirmed); and Stage C in Late Die State (unconfirmed). The RDV-003 reverse die variety designation indicates a specific reverse hub variant paired with this obverse. The 1970-S proof Kennedy Half Dollar was struck at the San Francisco Mint in 40% silver clad composition and was not included in standard proof sets that year — it was available only through special mail-order sales, contributing to a lower mintage that makes all 1970-S proof halves more collectible. Examine IN GOD WE TRUST and the date under 7x magnification for subtle directional displacement on this scarcer proof issue.

Die Markers

  • UVC-540
  • DMR-011
  • Stage A:
  • Obverse and Reverse are EDS
  • Stage B:
  • MDS (unconfirmed)
  • Stage C:
  • LDS (unconfirmed)

Attribution History

  • Discovered by Timothy Wissert
  • Expert attribution by VarietyVista

External References

Additional Notes

Proof. RDV-003.

Last updated: August 31, 2026

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