Vintage glossy 4.75 x 6.75 photo of Watson holding a model of the double helix structure of DNA, signed in fountain pen with his rare full name, "James Dewey Watson." In very good to fine condition, with scattered light creasing, and surface impressions at the top from typed notations on the reverse. Accompanied by a transmittal letter from his secretary, dated July 8, 1963.
This item is Pre-Certified by PSA/DNA
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