1971 SC 4017-4020 BL 76 Tropical Flowers Scott 3929

1971. Tropical Flowers.
Catalogs: Scott 3929, Standard Collection 4017-4020 BL 76, Mi BL 73, Yt BF 72.
Condition: MNHOG.
Issued on: December 30, 1971.
Format: Souvenir Sheet.
Perforation: frame 12 x 12½.
Printing: Offset lithography.
Size: 25 x 31 mm.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 900,000.