1880 United States Assay Commission Medal Mule. By Charles E. Barber. JK AC-21. Rarity-6. Copper. MS-62 BN (NGC).33 mm. Deep cobalt blue undertones to dominant copper-rose patina.
1880 United States Assay Commission Medal Mule. By Charles E. Barber. JK AC-21. Rarity-6. Copper. MS-62 BN (NGC).33 mm. Deep cobalt blue undertones to dominant copper-rose patina.