Soviet Union, USSR : Stamps : Perforations List [Theme: Scientists] : Colnect 📮
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Stamp catalog › Perforations List (Theme: Scientists)
Harrow 11½ x 11¾ (4)Harrow 11½ x 12 (11)Harrow 11½ (24)Harrow 12 x 11½ (2)Harrow 12 x 12¼ (2)Harrow 12½ x 12 (2)Imperforate (9)comb 11½ (1)comb 12 x 12¼ (16)comb 12 x 12½ (1)comb 12¼ x 11¾ (9)comb 12¼ x 12 (21)comb 12¼ (3)comb 12½ x 12 (3)comb 13½ (4)line 12¼ (88)line 12½ (4)line 13½ x 12½ x 12½ x 12½ (1)line 13½ x 12½ x 13½ x 13½ (1)line 13½ x 12½ (1)line 13½ (3)line 13¾ (5)