1966 Sc 3343 75th Birth Anniversary of Otto Yulyevich Schmidt Scott 3191A

1966. 75th Birth Anniversary of Otto Yulyevich Schmidt.
Catalog numbers: Scott 3191A, Standard Collection 3343, Michel 3291, Yvert 3156.
Condition: MNHOG.
Issued on: October 26, 1966.
Perforation: comb 12½ x 11¾.
Printing: Offset lithography.
Size: 26 x 37 mm.
Colors: Dark blue, sepia.
Face value: 4 Russian kopek.
Quantity: 3,000,000.