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

Bosnia and Herzegovina

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Start price: $300

Buyer's premium:

1900, Coat of Arms, 1h black, 3h yellow, 6h brown and 5k blue green, 4 blocks of four imperforated centrally, in addition 6h block imperf at bottom and 5k – imperf at right, representing various compound perforation at sides, all with full OG, NH, VF and very scarce, Est. $500-$600, Sc. #11/24 var