1929. Air Mail envelope addressed to Karachi, lndia endorsed 'By Air Mail. Par Avion/First Flight to Karachi' bearing Yvert 517, 15ch blue-grey, Yvert 518, 1k blue and Air Mail Yvert 25, 5ch brown (strip of three) tied by Bouchir (Depart) double ring with framed 'Bouchir Avion/Premier Depeche/Angleterre-lndes' in violet with hand-struck bilingual 'Poste Aerienne' and boxed 'Premier Vol/Bouchir Karachi’. Scarce stage Bushire to Karachi.