1871 United States Assay Commission Medal. By William Barber. JK AC-10. Rarity-5. Without Directors Name. Copper. MS-64 BN (NGC).33 mm. Warm, even autumn-brown patina to smartly impressed, satiny surfaces. A subtle spot at 12 oclock on the reverse is the only obvious impediment to a full Gem Mint State rating.From Heritages CSNS Signature Auction of April 2013, lot 5290.
