1881 United States Assay Commission Medal. By George T. Morgan and William Barber. JK AC-24b. Rarity-5. Copper. MS-64 BN (NGC).33 mm. A lovely mahogany-bronze example kept from full Gem status by a lone obverse carbon spot that is well concealed within the inner border below the letters MI in MINT. Fully struck with otherwise smooth, expertly preserved surfaces.<p>As related above in our description for the JK AC-24a specimen, JK AC-24b features the same design but with the addition of engraver William Barbers initial B on the reverse, at left within the exergual area.From our March 2021 Auction, lot 7625.
