1924 10k on 5r green, basic stamp wide "5" variety, Sevastopol cds, v.f., cat. $700 (Cat No. C7a) (Image)

Cat. $700, Est.US$250

1935 Chelyuskin Expedition, complete set n.h., 30k green with natural inclusion, marginal toned speck, otherwise fine-v.f. (Cat No. C58-67) (Image)

Est.US$750

1935 Moscow-San Francisco 1r on 10k (Levanevsky), n.h., v.f., signed Goznak, cat. $1275 (Cat No. C68) (Image)

Cat. $1275, Est.US$750

1935 Moscow-San Francisco 1r on 10k (Levanevsky), two copies, one with lower case Cyrillic "f" ("small f variety"), n.h., the latter with natural marginal creasing, the former signed Goznak and Diena, v.f., cat. $4000 (Cat No. C68,68b) (Image)

Cat. $4000, Est.US$1,500

1935 1r on 10k Moscow-San Francisco surcharge, lower case "f", h.r., v.f. (Cat No. C68b) (Image)

Est.US$400