SUDAN, 1938, 3p on 3-1/2p to 5p on 10p Air Post Surcharges, Perf 11-1/2x11 (C32a-C34a; SG 75a-77a).
Each with selvage at top, Mint N.H. (two hinged in selvage only), bright colors, Fine-Very Fine, a handsome and well matched set of the surcharge errors, only 100 of each were produced, each with a 1996 P.F. certificate, catalog values are for hinged, SG £2,100
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