1974 Sc 4264. Scientific and Technical Youth Work Review. Scott 4173

1974. Scientific and Technical Youth Work Review
Catalogs: Scott 4173, Standard Collection 4264, Michel 4214, Yt 4017.
Issued on: 1974-03-20.
Perforation: comb 11½
Printing: Photogravure and Recess
Size: 28 x 40 mm
Colors: Multicolor
Face value: 4 Russian kopek
Print run: 4,000,000