1970 SC 3776-3777 150th Anniversary of Bellinsgauzen and Lazarev’s Antarctic Scott 3699-3700

1970. 150th Anniversary of Bellinsgauzen and Lazarev’s Antarctic.
Catalog numbers: Scott 3699-3700, Standard Collection 3776-3777, Michel 3727-3728, Yvert 3583-3584.
Condition: MNHOG.
Issued on: January 27, 1970.
Perforation: comb 11½.
Printing: Photogravure.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 4 Russian kopek; 16 Russian kopek.
Quantity: 5,000,000; 4,000,000.