RUSSIA. 1931-60, very attractive group of sets, including 1931 imperforate n.h Polar Bear, 1932 n.h. Polar Year set (50k light tone on back), 1934 l.h. Tcheljuskin, 1948 Chess n.h and normal and overprinted Polar Bear n.h. souvenir sheets. usual gum flows. High catalog value. Michel 402B/05B, 410A, 411B, 499/508, 1292/94, Bl27, Bl 30. (Photo). Est. 300 - 400 CHF.