1983 Sc 5351 International Stamp Exhibition “Socphilex-83” Scott 5169

1983. International Stamp Exhibition “Socphilex-83”.
Catalogs: Scott 5169, Standard Collection 5351, Michel 5299, Yt 5022.
Issued on: August 18, 1983.
Perforation: comb 11½.
Printing: Photogravure.
Size: 28 x 40 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 3,500,000.