1922, black overprints on perforated and imperforated 1k (both 2nd printing, positions 11 and 18 respectively) and perforated 2k-10k, all with full OG, NH or previously hinged (1k imperf), VF, C.v. $790, Est. $450-$550 (Image)

1922, black overprints on perforated and imperforated 1k and on perforated 2k-10k, complete set of six, 1k values are from positions 23 (perf) and 20 of the second setting of 25 stamps, full OG, LH/ previously hinged (the ''key'' stamps) or NH, VF, expertized by Z. Mikulski and E. Eichenthal, C.v. $790, Est. $500-$600 (Image)

1922, inverted (reading up) black overprints on perforated and imperforated 1k (both from the second printing) and perforated 2k (second printing), 3k-10k (first printing), nice and fresh quality unit, full OG, NH (both 1k) or LH/hinged, VF and rare unit, all stamps expertized, three have certificates, Est. $4,000- $4,500 (Image)

1922, inverted (reading up) overprint on perforated 1k orange, the first printing, position 19 of not inverted setting, perfect quality, full OG, NH, VF and extremely rare stamp especially in sound condition, expertized by H. Bloch, Soviet Philatelic, J. Stolow and Raritan Stamps guarantees, Est. $2,000- $2,500 (Image)

1922, inverted (reading up) overprint on 2k green, the second printing, position 3 of not inverted setting, full OG, NH, VF, Soviet Philatelic guarantee hs, C.v. $500, Est. $150-$200 (Image)

1922, inverted (reading up) overprint on imperforated 1k orange, the first printing, position 4 of not inverted setting, showing narrow ''8'' and italics second ''2'', full OG, LH, VF and very rare, expertized by H. Bloch, Soviet Philatelic and Raritan Stamps guarantees, Est. $1,500-$1,800 (Image)