Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

British Commonwealth - South West Africa

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Start price: $120

Buyer's premium:

1927, vertical bilingual overprints in blue (setting IX, space between lines 16mm) ”South West Africa” on South Africa se-tenant pairs of 2p-10s, complete set of six, full OG, NH, VF and scarce in premium quality, SG #49/54, £180 as hinged, Est. $200-$240, Sc. # 88-93