1975 Sc 4395. 20th Anniversary of Warsaw Pact. Scott 4312

1975. 20th Anniversary of Warsaw Pact.
Catalogs: Scott 4312, Standard Collection 4395, Michel 4345, Yt 4136.
Issued on: 1975-04-16.
Perforation: comb 12¼ x 12
Printing: Offset lithography
Size: 28 x 40 mm
Colors: Multicolor
Face value: 6 Russian kopek
Print run: 4,600,000