1930 United States Assay Commission Medal. By John R. Sinnock and Adam Pietz. JK AC-74. Rarity-4. Bronze. MS-64 (NGC).51 mm. An appealing golden-bronze example with only a few faint toning spots on the obverse precluding a Gem Mint State assessment. This is an historic Assay Commission medal from the first year of the Great Depression. Herbert Hoover, whose portrait appears on the obverse, was fated to witness the onset of this challenging era in United States history from the Oval Office.From our Baltimore Auction of May 2019, lot 3091. Lot tag included.