1977 Sc 4626. 150th Anniversary of Naval Academy in Leningrad. Scott 4549

1977. 150th Anniversary of Naval Academy in Leningrad.
Catalogs: Scott 4549, Standard Collection 4626, Michel 4576, Yt 4350.
Issued on: 1977-02-09.
Perforation: comb 11½
Printing: Photogravure and Recess
Size: 40 x 28 mm
Colors: Black, yellow, brown, blue
Face value: 6 Russian kopek
Print run: 3,900,000