1922 Surcharged definitives 5000R on 20R blue corner margin showing variety: control number '1' in margin and 10000r on 40R showing 'second 0 in 10,000 open at left' (pos.12), used, very fine (Mi 174ax, 175aIX var., Standart 37, 38I var., Zverev & Gilmanov 37, 38 var., Liapin 49, 50 var.) (Image)

1922 Envelope from Petrograd to Moscow with rare label SPESHNAYA POCTA (express mail), vertical fold not affecting label, signed Mikulski & W.Pohl (Image)

1923 Postal stationery Kerenski type 20k blue bearing violet seal postmark 'PETROGRADSKII POCHTAMT' additional franking star overprints 100R 200R bearing 'PETROGRAD 10.4.23' cds to Vienna, scarce usage

1923 Definitives 20R perforated proof in black violet, MNH, guarantee cert. A.Farberov, also 1924 Gold standard 6k perforated typo proof in black, hinged (Image)