Undated (ca. 1867) The Union is the Main Prop of Our Liberty Medal. Bronze. 25 mm. Musante GW-796, Baker-259A, var., Musante JAB-25. MS-63 BN (PCGS).，Attractive medium chocolate brown overall, with some slight hints of copper-red. Just 16 are reported to have been struck in copper by Bolen, and those are typically on very thick planchets, as this. Later strikes by J.W. Kline of Philadelphia, who acquired many Bolen dies and struck numerous pieces, appear on much thinner planchets. Quite rare.，，
