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

Belgian Congo - Semi-Postal issues

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Start price: $100

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1939, Leopoldville Zoo, 1+1fr-5+5fr, complete set of five in blocks of four, nicely centered and post office fresh, full OG, NH, VF, C.v. $340++,Scott #B27-31