1980 Sc 5012 25th Anniversary of Warsaw Treaty Scott 4827

1980. 25th Anniversary of Warsaw Treaty.
Catalogs: Scott 4827, Standard Collection 5012, Michel 4962, Yt 4701.
Issued on: May 14, 1980.
Perforation: frame 11½.
Printing: Photogravure.
Size: 28 x 40 mm.
Colors: Multicolor.
Face value: 32 Russian kopek.
Quantity: 4,100,000.