The document is a classified/top secret stamp from 1954, related to the development of atomic bombs during the Cold War. This rare historical memorabilia item was manufactured in the United States Atomic Energy Commission (AEC). Robert Oppenheimer, known as the "father of the atomic bomb." It holds significance in military history and is a valuable collectible for those interested in historical memorabilia from the 20th century.

In Great Condition. Envelope Included

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