1968 SC 3587-3589 Soviet Statesmen Scott 3514-3516

1968. Soviet Statesmen.
Catalog numbers: Scott 3514-3516, Standard Collection 3587-3589, Michel 3536-3538, Yvert 3408-3410.
Condition: MNHOG.
Issued on: September 30, 1968.
Perforation: comb 12½ x 12.
Printing: Recess.
Size: 26 x 37 mm.
Colors: Black blue green.
Face value: 3*4 Russian kopek.
Quantity: 4,000,000; 4,000,000; 3,000,000.