Unflown sterling silver Skylab 4 Robbins medal, possibly a prototype, approximately 1.25″ in diameter, featuring a raised design of the mission insignia on the face. The reverse is engraved with the missions launch and return dates, "Nov. 16, 1973 to Feb. 8, 1974," and stamped with the Robbins hallmark. The medal lacks a serial number. Condition is mint state. Accompanied by a small plastic box. From the collection of a former Robbins Company executive.
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