1977 Sc 4721-4725. Postal service. Scott 4619-4623

1977. Postal service.
Catalogs: Scott 4619-4623, Standard Collection 4721-4725, Michel 4671-4675, Yt 4429-4433.
Issued on: 1977-11-16.
Perforation: comb 12½ x 12
Printing: Offset lithography and Recess
Size: 42 x 38 mm
Colors: Multicolor
Face value: 4 Russian kopek
Print run: 4,800,000; 5,100,000; 4,800,000; 5,700,000; 4,900,000