Unused on cover / entire letter 1839 (15 Oct.) entire from Colombo, Ceylon to London, marked "pr Overland Mail", rated "3/6" and showing the extremely rare "CEYLON/CARE OF MR. WAGHORN, CAIRO" h.s., Crowned "COLOMBO/POST PAID" d.s. with, on reverse, framed "BRITISH/FOREIGN" and London arrival d.s. A major rarity and a wonderful exhibition item. Photo on back cover