1973 Sc 4156 Birth Centenary of N.E.Bauman Scott 4065

1973. Birth Centenary of N.E.Bauman.
Catalogs: Scott 4065, Standard Collection 4156, Mi 4105, Yt 3923.
Condition: MNHOG.
Issued on: March 20, 1973.
Perforation: comb 12¼ x 12.
Printing: Recess.
Size: 26 x 37 mm.
Colors: Multicolor.
Face value: 4 Russian kopek.
Quantity: 3,000,000.