1968 Sc 3529. Extraordinary session of the General council of the World Federation of labor unions in Moscow. Scott 3455

1968. Extraordinary session of the General council of the World Federation of labor unions in Moscow.
Catalog numbers: Scott 3455, Standard Collection 3529, Michel 3483, Yvert 3357.
Perforation: comb 11½.
Printing: Photogravure.
Size: 40 x 28 mm
Color: Multicolor.
Face value: 6 Russian kopek
Print run: 4,000,000.