1971 SC 3940 30th Anniversary of Defence of Liepaja Scott 3858

1971. 30th Anniversary of Defence of Liepaja.
Catalogs: Scott 3858, Standard Collection 3940, Mi 3889, Yt 3726.
Condition: MNHOG.
Issued on: June 21, 1971.
Perforation: comb 12 x 12¼.
Printing: Photogravure.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 4 Russian kopek.
Quantity: 3,700,000.