1974 Assay Commission Medal. Pewter. 57 mm. By Pierre Simon DuVivier and Frank Gasparro. JK AC-118, Baker C-348. Rarity-7. MS-67 (NGC).，Warm pewter gray surfaces that darken around the central devices and peripheries. The obverse was adapted from the famous Washington Before Boston medal of the Revolutionary War era, reproduced for over 200 years by both the Paris and U.S. mints. The reverse borrowed heavily from Gilroy Roberts John F. Kennedy half dollar. A medal that appeals to Washingtoniana, Bicentennial and Assay collectors alike.<br />
