1986 Sc 5700 BL 192. Antarctic Drift of “Mikhail Somov”. Scott 5498

1986. Antarctic Drift of “Mikhail Somov”.
Catalogs: Scott 5498, Standard Collection 5700 BL 192, Michel BL 189, Yt BF 188.
Issued on: 1986-10-10.
Perforation: frame 12¼ x 11¼
Printing: Offset lithography
Size: 70 x 90 mm
Colors: Multicolor
Face value: 50 Russian kopek
Print run: 800,000