1884 United States Assay Commission Medal. By George T. Morgan. JK AC-27. Rarity-5. Copper. MS-64 BN (NGC).33 mm. Richly original autumn-brown and reddish-copper patina blankets both sides. The strike is full, the surfaces of Gem quality apart from a bit of light carbon in the upper left obverse field.From Heritages FUN Signature Auction of January 2013, lot 14751.