1979 Sc 4866 20th Anniversary of Cuban Revolution Scott 4728

1979. 20th Anniversary of Cuban Revolution.
Catalogs: Scott 4728, Standard Collection 4866, Michel 4816, Yt 4571.
Issued on: January 01, 1979.
Perforation: comb 11½.
Printing: Photogravure.
Size: 28 x 40 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 4,100,000.