Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

British Commonwealth - Sudan - Army Official stamps

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Start price: $250

Buyer's premium:

1905-11, black overprints ARMY OFFICIAL” (vertical) and ”Army Service” (horizontal, space 12mm), the total is 10 stamps, including No. MO3-4, MO5, MO7-10 and MO13-15, arranged on Scott Album page, full OG, NH, VF and rare stamps in never hinged condition, C.v. $578, SG #A1/A16, C.v. £670, both values as hinged, Est. $500-$600, Scott #MO3/15