1972 Sc 4060 European Security Conference Scott 3975

1972. European Security Conference.
Catalogs: Scott 3975, Standard Collection 4060, Mi 4010, Yt 3844.
Condition: MNHOG.
Issued on: May 25, 1972.
Perforation: comb 11½.
Printing: Photogravure.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 2,500,000.