1967 SC 3483-3487 50th Anniversary Foundations of Progress on October Revolution Scott 3414-3418

1967. 50th Anniversary Foundations of Progress on October Revolution.
Catalog numbers: Scott 3414-3418, Standard Collection 3483-3487, Michel 3435-3439, Yvert 3314-3318.
Condition: MNHOG.
Issued on: December 25, 1967.
Perforation: comb 12 x 12½.
Printing: Recess.
Size: 30 x 42 mm.
Colors: Multicolor.
Face value: 5*4 Russian kopek.
Quantity: 4,500,000; 4,000,000; 4,000,000; 4,000,000; 4,000,000.