拍品描述： 1964 United States Assay Commission Medal. By Gilroy Roberts and Edward R. Grove. JK AC-108. Bronze. Mint State. 57 mm. Deep golden-bronze patina to surfaces that are free of all but a trace of high point friction. There are marks or other blemishes of note. The inferior Uncirculated example in our (Stacks) November 2008 sale of the Keusch Collection represents one of our few other offerings for the 1964 Assay Commission medal in recent memory. The reverse design is one of the more popular in this series, as it clearly identifies the coin being held in front of the various Assay instruments as a Kennedy half dollar. Rare, and worthy of strong bids.

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