1972 Sc 4127 Centenary of Polytechnic Museum Scott 4043

1972. Centenary of Polytechnic Museum.
Catalogs: Scott 4043, Standard Collection 4127, Mi 4078, Yt 3895.
Condition: MNHOG.
Issued on: December 7, 1972.
Perforation: comb 11½.
Printing: Photogravure and Recess.
Size: 28 x 40 mm.
Colors: Multicolor.
Face value: 4 Russian kopek.
Quantity: 3,100,000.