1875 (1 July) Perforation 11½
1 Mark
unused 1Mk. violet horizontal pair, well centred with much original gum. Very fine mint. Signed Pfenninger. M. 31a; D.M. 950 +. Photo
细节
unused 1Mk. violet horizontal pair, well centred with much original gum. Very fine mint. Signed Pfenninger. M. 31a; D.M. 950 +. Photo