1923, gold surcharge 5k on Imperial Insurance stamp of 5r in dark blue on pale blue network, perforation 12 1/2, block of four with left stamps of type I, both right stamps have no accent over"i", top one has all square dots, bottom one - last dot in round-shape, in addition right stamps with vertical line of invalidating perforation, full OG, NH, VF and interesting block for a specialist, Standard Cat. #PE4A, Est. $150-$200

100.00

1925, the third issue, inverted surcharges 5k on 1k, 10k on 3k and 15k on 1k, all with full OG, mainly LH, VF, Standard #PE6Ta-8Ta, Est. $250-$300

150.00

1928, the fourth issue, black surcharge 10k on 250r violet, horizontal imperforated pair, neat violet official cancellation at top, fresh, VF and rare imperf pair in used condition, Standard #PE15Pa, Est. $250-$300

150.00

1932-33, the sixth issue, horizontal se-tenant pair stamps with black surcharges 3r and 5r on 35k ultra, full OG, NH, VF, Soviet Philatelic hs on reverse, Standard #PE26-27

200.00

1932-33, the sixth issue, two stamps with inverted black surcharges 3r and 5r on 35k ultra, both with full OG, NH, VF, each one with Soviet Philatelic guarantee hs, Standard Cat. #26Ta-27Ta

250.00