1986 Sc 5697 Antarctic Drift of “Mikhail Somov” Scott 5499

1986. Antarctic Drift of “Mikhail Somov”.
Catalogs: Scott 5499, Standard Collection 5697, Michel 5645, Yt 5344.
Issued on: October 10, 1986.
Perforation: frame 11¾ x 11½.
Printing: Photogravure and Recess.
Size: 55 x 26 mm.
Colors: Multicolor.
Face value: 4 Russian kopek.
Quantity: 800,000.