1969 SC 3691 25th Anniverrsary of Polish Peoples’ Republic Scott 3614

1969. 25th Anniverrsary of Polish Peoples’ Republic.
Catalog numbers: Scott 3614, Standard Collection 3691, Michel 3642, Yvert 3504.
Condition: MNHOG.
Issued on: July 10, 1969.
Perforation: comb 12½.
Printing: Photogravure.
Size: 32.5 x 32.5 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 5,000,000.