1972 Sc 4057 BL 79 50th Anniversary of Pioneer Organization Scott 3972

1972. 50th Anniversary of Pioneer Organization.
Catalogs: Scott 3972, Standard Collection 4057 BL 79, Mi BL 76, Yt BF 75.
Condition: MNHOG.
Issued on: May 10, 1972.
Format: Souvenir Sheet.
Perforation: frame 12.
Printing: Offset lithography.
Size: 1016 x 82 mm.
Colors: Multicolor.
Face value: 30 Russian kopek.
Quantity: 850,000.