1968 SC 3507-3511 Soviet Horse-Breeding Scott 3433-3437

1968. Soviet Horse-Breeding.
Catalog numbers: Scott 3433-3437, Standard Collection 3507-3511, Michel 3458-3462, Yvert 3330-3334.
Condition: MNHOG.
Issued on: January 23, 1968.
Perforation: comb 11½.
Printing: Photogravure.
Size: 40 x 28 mm; 28 x 40 mm.
Colors: Multicolor.
Face value: 4 Russian kopek; 6 Russian kopek; 10 Russian kopek; 12 Russian kopek; 16 Russian kopek.
Quantity: 5,000,000; 4,000,000; 4,000,000; 3,000,000; 3,000,000.