1924 10k on 5r green, basic stamp wide "5", right sheet margin single, h.r., natural gum creases, v.f., signed Goznak, cat. $1250 (Cat No. C7a) (Image)

Cat. $1250, Est.$500

1930 Graf Zeppelin 40k dark blue and 80k carmine, imperforate singles, h.r., natural inclusions and minor wrinkles, still v.f., signed Goznak, etc., cat. $3300 (Cat No. C12b-13b) (Image)

Cat. $3300, Est.$1,500

1930 50k gray blue (error), l.h., exceptionally well centered, v.f., cat. $500 (Cat No. C23a) (Image)

Cat. $500, Est.$250

1934 Civil Aviation, 10k green (unwatermarked) horizontal pair imperf. between, canceled to order, h.r., v.f., cat. $1260 (Cat No. C46a) (Image)

Cat. $1260, Est.$500

1934 5k olive green, 10k red brown and 20k olive green, set of three imperforate and gummed trial color proofs on watermarked and gummed stamp paper, v.f., rare (Zverev $18,000) (Cat No. C50-52P) (Image)

Est.$10,000

1935 Moscow-San Francisco 1r on 10k, position 13 (without leg in Cyrillic "p" of "San Francisco"), small h.r., v.f., signed Romeko (Zagorsky 420Kd) (Cat No. C68) (Image)

Est.$500

1935 1r on 10k dark brown (Levanevsky), Moscow-San Francisco, red overprint and surcharge, position 1, used 20.9.35 on registered and flown cover from Moscow to J.Rosenberg in Berlin, v.f., with arrival (21.9.35) pmk on back (Cat No. C68) (Image)

Est.$750

1935 Moscow-San Francisco, 1r on 10k dark brown, lower-case Cyrillic "f", h.r., v.f., cat. $1500 (Cat No. C68b) (Image)

Cat. $1500, Est.$500

1935 Moscow-San Francisco 1r surcharge, lower case "f" ("small f") in "San Francisco", disturbed original gum, some marginal toning, otherwise fine, signed Goznak, cat. $1500 (Cat No. C68b) (Image)

Cat. $1500, Est.$500

1935 Moscow-San Francisco 1r surcharge, small "f" in "San Francisco", h.r., v.f., signed Goznak (Cat No. C68b) (Image)

Est.$750

1955 2r green, variety imperf. at right, l.h., v.f. (Zagorsky 1727Pa, 70,000Rub) (Cat No. C92var) (Image)

Est.$300

1955 1r and 2r overprinted in red, set of two sheets of 72, n.h., folded between stamps, fine-v.f., cat. $1440 (Cat No. C95-96) (Image)

Cat. $1440, Est.$500