1924, 2nd issue, two stamps with black surcharge 1k on 1r and gold surcharge 5k on 5r, paid duty for stamp exchange cover from Moscow to Germany (not cancelled by official marking), cover franked altogether by 11 definitive stamps, appropriate transit and arrival markings, mostly VF (Image)

1925, 2nd issue, gold surcharge 5k on Insurance stamp of 5r dark blue and light blue network, paid duty for cover sent from Vladivostok to Germany, franked on front by four definitive stamps, tied on reverse by seven-line official cachet, postmarked at Berlin, mostly VF (Image)

1926-27, 3rd issue, two black surcharges of 5k and 10k on World War Charity stamps of 1k and 3k, paid duty for stamp exchange covers to Germany and Poland, tied by seven-line official cachet with F. Chuchin's facsimile, each cover nicely franked by commemorative and definitive stamps, mostly VF (Image)

1925, 3rd issue, black surcharge 75k on 10+1k dark blue and orange brown, perforation 12½, full original gum slightly yellowing at bottom perforation, NH, VF, a common stamp is included (Image)

1925, 3rd issue, black surcharge 1r on 3+1k red and dark gray, perforation 12½, full OG, NH, VF (Image)

1932, 6th issue, black surcharges 10k and 5k on Sword Breaking Chain 70k brown, horizontal se-tenant pair, full OG, NH, VF, Soviet Philatelic guarantee hs on reverse (Image)