Includes one of each of the following USSR Souvenir Sheets:
Issued December 25, 1979 Scott 4805 50k Komsomolskaya Pravda North Pole expedition.
Issued March 21, 1985 Scott 5346 50k Johann Sebastian Bach (1685-1750), Composer.
Issued April 14, 1979 Scott 4745 50k Ice Hockey.
Issued September 10, 1986 Scott 5486 50k Red Book, Rainbow, Earth - Nature Preservation.
Issued March 6, 1982 Scott 5022 50k Biathlon, Speed Skating, 5th Natl. Athletic Meet.
