1880 Pattern United States Assay Commission Medal. Copper. 33 mm. By George T. Morgan. JK AC-22b. Rarity-6. AU-53 BN (NGC). Richly original surfaces are toned in blended reddish-copper and autumn with steel-brown in the protected areas around the design elements. A second offering for this intriguing type, an unadopted pattern for the Assay Commission medal of 1880 believed to have been George T. Morgans entry in the competition for the position of chief engraver. From the Richard Jewell Collection.