1932 International Polar Year, 50k carmine, 1r green, perf. 12, blocks of four, n.h., v.f. (Cat No. C34-35) (Image)

Est.US$500

1933 Stratostat Balloon, set of three, n.h., post office fresh, v.f., cat. $463 (Cat No. C37-39) (Image)

Cat. $463, Est.US$250

1933 Stratostat U.S.S.R., 5k ultramarine, horizontal pair imperf. between, canceled Leningrad, v.f., cat. $2500 (Cat No. C37b) (Image)

Cat. $2500, Est.US$1,500

1934 Stratosphere Disaster, set of three blocks of four, used, fine-v.f. (Cat No. C50-52) (Image)

Est.US$100

1935 Moscow-San Francisco 1r on 10k surcharge in red, basic stamp unusually long, l.h., fine, signed Goznak (Cat No. C68) (Image)

Est.US$500

1935 Moscow-San Francisco, 1r on 10k brown, Cyrillic "p" of (San Francisco) deformed, disturbed gum, well centered, fine (Zverev 424cd, $1,100) cat. $500 (Cat No. C68) (Image)

Cat. $500, Est.US$300

1935 Moscow-San Francisco 1r on 10k surcharge in red, canceled on piece, v.f., with 2000 Raybaudi certificate, cat. $475 (Cat No. C68) (Image)

Cat. $475, Est.US$250

1935 Moscow-San Francisco 1r on 10k surcharge in red, used, v.f., cat. $475 (Cat No. C68) (Image)

Cat. $475, Est.US$250

1935 Moscow-San Francisco, 1r on 10k brown, Cyrillic "p" of (San Francisco) deformed, Moscow cds, well centered, v.f. (Zverev 424cd, $1,000) cat. $475 (Cat No. C68) (Image)

Cat. $475, Est.US$300

1922 1,200m on 2.25r, type II, l.h., v.f., signed Brun, etc., cat. $1950 (Cat No. CO7) (Image)

Cat. $1950, Est.US$1,000