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: $400

Buyer's premium:

1919, black surcharge ”BATUM. OB. RUB.10.RUB.” on imperforated 1k and 3k, perforated 5k and 10k/7k, complete set of four, full OG, mainly LH, VF and scarce in complete set, each one experts’ sign and guaranteed genuine, C.v. $2,023, SG #7/10, £1,518, Est. $600-$800, Sc. #7-10