1977 SC 4713-4716 60th Anniversary of Great October Revolution Scott 4610-4613

1977. 60th Anniversary of Great October Revolution.
Catalog numbers: Scott 4610-4613, Standard Collection 4713-4716, Michel 4662-4665, Yvert 4423-4426.
Condition: MNHOG.
Issued on: October 26, 1977.
Perforation: comb 12 x 11½.
Printing: Photogravure.
Size: 37 x 52 mm.
Colors: Multicolor.
Face value: 4*4 Russian kopek.
Quantity: 5,700,000; 5,800,000; 5,200,000; 5,600,000.