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

Imperial Russia

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Start price: $750

Buyer's premium:

1908-09, trial color perforated (14¼x14¾) proof of 5k in red lilac (close to issued color), clear printing on paper without varnish lines, no gum as produced, VF and very rare, especially in such color, Est. $1,500-$2,000,Scott #77