and "By favour of Messers Poulet & Beniost on their flight Paris Melbourne. 17.XI.19.", Karachi c.d.s. on reverse. Photo " /> Air Mail cover 1919 (24 Nov.) envelope (small faults) to Karachi, bearing 1911-22 ½a. tied by indistinct c.d.s., the envelope marked<I> "By Air Route to Delhi"</I> and<I> "By favour of Messers Poulet & Beniost on their flight Paris Melbourne. 17.XI.19."</I>, Karachi c.d.s. on reverse. Photo | Christie's