Air Mail cover 1920 (7 May) Handley-Page return flight 3c. entire letter sheet (vertical crease) from Tientsin to Peking bearing Junk 10c. cancelled by c.d.s., showing framed bilingual "CHINESE POST OFFICE/Despatched by Aeroplane/TIENTSIN TO PEKING" and "RECEIVED BY AEROPLANE" h.s. both in violet adjacent, with Government Police H.Q. cachet in violet and Express Delivery label on reverse. The printed message inside reads: "This letter card will be forwarded in the first mail despatched by aeroplane from Tientsin to Peking. The aeroplane is a Handley-Page, supplied by the Ministry of Communications". Rare and appealing experimental flight. Photo