1970 Sc 3829 25th Anniversary of Soviet-Polish Friendship Scott 3757

1970. 25th Anniversary of Soviet-Polish Friendship.
Condition: MNHOG.
Catalogs: Scott 3757, Standard Collection 3829, Michel 3780, Yt 3642.
Issued on: July 26, 1970.
Perforation: comb 12.
Printing: Photogravure.
Size: 28 x 40 mm.
Colors: Indigo, orange red.
Face value: 6 Russian kopek.
Quantity: 5,000,000.