Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Russian Semi-Postal Issues

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Start price: $150

Buyer's premium:

1924, Leningrad Flood issue, black surcharge 7k+20k on 200r gray brown, color variety of basic stamp, complete gutter sheet of 50 (25+25), minor gum disturbance at the bottom, mainly on margin, fresh quality, full OG, NH, VF, Est. $250-$300 , Sc. #B44 var