1921 Proofs of Soviet issue, two on white paper with corner guidelines and two on newsprint. Fine condition and scarce. See the Grigoleit collection sale for other examples (Image)

1922 Registered letter from Baku 6.11.1922 to Marseille, arrival 12.12.1922, franked with a block of 24 x 50.000 R on 3.000 R (postage 1.200.000 R). Stamps were wrapper partially around the cover, faults to front (Image)

1923 Registered letter from Baku 27.3.1923 to Wiesbaden Germany, arrival 9.4.1923 and forwarded to Berlin, arrival 12.4.1923. Franked with 13 pairs of 5.000 R on 2.000 R, folded front and back (Image)

1995 cover from Baku to England, franked with block of 12 with VARIETY overprint shifted upwards leaving bottom two stamps OVERPRINT OMITTED. Additional franking and receiver mark on reverse, unique item (Image)