1923 Philatelic Exchange, 3r on 3r vertical, bottom sheet margin pair, significant variety, basic stamp missing printing at bottom, n.h., v.f., undoubtedly rare
1928-1932 Foreign Exchange, selection including four sets of 5k-1r surcharges (two sets of pairs, varieties include large and small "M" and "E" of "Obmena"), also pair of 10k on 25k on 300r and se-tenant pairs of 3r+5r on 35k and 10r+5r on 70k, fine-v.f. (Zagorsky PE14-19,PE20-21,PE26-27)
1928-1932 Foreign Exchange surcharges, 5k and 10k imperforate pairs, 50k imperforate strip of three (showing varieties large and small "M" and "E" of "Obmena"), n.h., v.f. (Zagorsky PE14Pa,15Pa,17Pa)
1930 Radio Stamps, 13 different to 100r, overprinted Obrazets and mounted on pages from a presentation booklet, v.f.