Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

Volga German Workers' Commune

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Start price: $75

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1917, POW’s card from Saratov to Kolomea (then Austro-Hungarian Empire), written in Ukrainian, three-line censorship marking at town of Pokrovsk (probably because there were German language specialists) with censor initials ”N. K. O.”, additionally censored at Vienna with appropriate triangle marking, mostly VF, Est. $100- $150