Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3

Russian Semi-Postal Issues

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Start price: $100

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1923, Philately for the Labor, two stamps with gold surcharge 1r+1r on 10r brown and black, first one has left sheet margin and no dot after first ”1r” (position 6), the other one has double dash between ”1 Maya” and ”1923”, both with full OG, previously hinged, VF, Est. $150-$200, Sc. # B39 var