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

Imperial Russia - Proofs from the Tsar Collection

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Start price: $300

Buyer's premium:

1913, Tercentenary of the Romanov Dynasty, Nicholas II, proof of the central design in black (face to the right), typo printing on thickened paper, size 33x35mm, trace of hinges, no defects, VF, N. Mandrovski certificate, Est. $400-$600