Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

British Commonwealth - Batum (British Occupation)

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Start price: $150

Buyer's premium:

1918, cover sent in Batum with provisional handstamp negative ”Batumskaya Kontora No.1” and boxed six-line cachet indicating payment is to be made in cash, pen endorsement ”15k”, VF and scarce usage during the time when stamps in Batum were not available, Est. $250-$300