William A. King – Responsible for Hand-Carrying the Plutonium Core of the Fat Man Bomb - Autog

Description

Details:

William A. King, World War II veteran, autographed First Day of Issue Canadian cover commemorating World War II (1939–1945), issued November 10, 1989. The cover features Canadian wartime imagery and postage honoring the establishment of the Allied convoy system, postmarked Ottawa, Ontario, on the official day of issue.

Fine condition.

Lt. William A. King was a member of the Army's Counter-intelligence Corps (CIC) and was responsible for conducting background investigations for personnel who had been selected to join the Manhattan Project.

In May 1945, Maj. Gen. Leslie Groves selected King as a courier for the Manhattan Engineer District. King was responsible for hand-carrying the plutonium core of the Fat Man bomb from Los Alamos to Tinian Island. On August 10, 1945, the day after the Nagasaki mission, he was again ordered from Washington, DC to San Francisco to accompany a second core to Tinian. Hours prior to his leaving San Francisco for Tinian, he was notified that the Japanese had surrendered.

Authentication:
Includes a full letter of authenticity from JG Autographs, Inc.

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Reference sku: 11644 1414592-1

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William A. King – Responsible for Hand-Carrying the Plutonium Core of the Fat Man Bomb - Autog

Lot 0107

Estimate $50-$75

Mar 3, 2026, 8:30 PM EST

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HISTORY & CULTURE

Feb 10, 2026 1:15 PM EST

Danvers, MA, United States

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