1875 Specimen overprints, selection of 10 different unused, including O1S, O2S, O5S, O6S, O9S, plus 30c Interior, O23S, also 7c and 30c War and 7c and 15c Department of State, all overprinted Specimen, mostly unused without gum, usual perf. flaws, mostly fine, cat. $6387 (Cat No. O1S/64S) (Image)

Cat. $6387, Est.$1,500