Russia - 72
72
Russia 1966
International Congresses
Soviet-Mongolian Treaty
Romain Rolland
Eugène Pottier
Writers of Our Motherland
9th Microbiology Congress
6k multicolored
January 28, 1966
7th Crystallography Congress
6k multicolored
January 28, 1966
13th Poultry-breeding Congress
6k multicolored
January 28, 1966
2nd Oceanographic Congress
6k grey blue & black
February 23, 1966
International Mathematics Congress
6k multicolored
July 20, 1966
Horse & Rider, Flags
4k multicolored
January 31, 1966
Portrait & Book Illustration
4k brown orange & Prussian blue
January 29, 1966
Portrait & Painting Scene
4k multicolored
April 30, 1966
Musa Cälil
4k orange brown & black
February 15, 1966
Hakob Hakobian
4k dark green & black
May 29, 1966
Jalil Mammadguluzadeh
4k dark blue grey & black
December 15, 1966