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

Russian Offices in the Turkish Empire

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Start price: $100

Buyer's premium:

1911, Imperial stamps (without Levant surcharges) of 1k and 3k x3 franking on reverse of pre-printed cover from Constantinople to Smyrna, tied by R.O.P.iT. Constantinople ds, postmarked on arrival, roughly opened at bottom, still F/VF, Est. $150-$200, Sc. # 73, 75