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

Imperial Russia

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Start price: $1,000

Buyer's premium:

1906, Nicholas II, Louis E. Mouchon engraved perforated (L13) proof (essay) in green with face to the right, value tablet blank, printed on wove paper, stamp size 20×25.5mm, no gum as issued, VF and extremely rare, Est. $3,000-$4,000