1923, philatelic exchange cover from Moscow to Germany, bearing on reverse red surcharge 250r on "Sword Breaking Chain" 35k ultra, tied by violet boxed official hs, franked on front and reverse altogether by 27stamps, Leipzig arrival marking, mostly VF, Standard Cat. #Sl13, Est. $150-$200

100.00

1924, philatelic exchange cover from Moscow to Berlin, bearing on reverse black surcharge 3k on Imperial Insurance stamp of 3r maroon on green network, tied by 7 -line official cachet and signed (no facsimile) by Fedor Chuchin, franked by 13 stamps on front and reverse, arrival ds and all appropriate markings, F/VF, Standard Cat. #PE2, Est. $150-$200

100.00

1923, gold surcharge 5k on Imperial Insurance stamp of 5r in dark blue on pale blue network, perforation 12½, 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 have vertical line of invalidating perforation, full OG, NH, VF and interesting block for a specialist, Standard Cat. #PE4A, Est. $250- $300

150.00

1931, philatelic exchange cover from Moscow (originated from Kharkov) to Germany, bearing on reverse black surcharge 5k on 100r yellow orange, imperf at top left corner, tied by 8-line official cachet, franked by six values, including three stamps of the Hague Air Conference 10k blue and light brown, all appropriate markings and arrival ds, mostly VF, Standard Cat. #PE14, Est. $140-$180

100.00

1931, 5th Provisional issue, black handstamped surcharge 10k over black surcharge 25k on 300r green, top imperforated margin block of four, nice and fresh, full OG, NH, VF and rare multiple, guaranteed genuine, Standard Cat. #PE19, Est. $1,200-$1,500

800.00

1932-33, 6th issue, inverted black surcharge 10r on "Sword Breaking Chain" 35k ultra, full OG, NH, F/VF centering, Est. $200-$240

150.00