1868 (1 Oct. ) Imperforate
6 Kreuzer
unused Block of Four 6Kr. brown mint block of four from the upper left corner of sheet with 18mm. margin at left and 15mm. at top. Superb. Signed Brettl. M.20; D.M. 900. Photo
细节
unused Block of Four 6Kr. brown mint block of four from the upper left corner of sheet with 18mm. margin at left and 15mm. at top. Superb. Signed Brettl. M.20; D.M. 900. Photo