Stamp catalog › Perforations List (Designer: Dimitar Gyudzhenov)

10¾ (1)11½ (1)13 (6)Imperforate (6)Various (24)comb 11½ (25)comb 12½ x 13¼ (1)comb 13 x 13½ (5)comb 13 (6)comb 13¼ x 12¼ (6)comb 13½ x 13 (3)line 10¾ x 11½ (4)line 10¾ (4)line 11½ (4)