Circa 1875 Centennial Advertising medal Company store card. Musante GW-657, Baker-524, Miller Pa-85. Copper. MS-64 BN (PCGS).19.3 mm. Vivid blue-green toning over dark chocolate copper. Traces of violet amongst the letters. Prooflike and quite attractive.Ex William Spohn Baker Collection, to the Historical Society of Pennsylvania by bequest, November 15, 1897.