History of Aviation, Rare Stamps and Postal History of the World, Part 3

Imperial Russia - The St. Petersburg Prison ''Kresty''

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Start price: $75

Buyer's premium:

1911, incoming cover with enclosure, franked by 1k yellow and 2k green, letter and cover with violet triangle prison censorship marking, mostly VF, Est. $100-$150 , Sc. #73-74