Lot 569

1929 Hankow (11 Nov) to Shanghai. Airmail cover, f.w. Peking 2nd print airmail issue 15c in strip of 3 + Junk 1c in pair + 10c, tied by Hankow bilingual cds. Arrived Shanghai. Shanghai-Hankow flight was inaugurated on 21 Oct 1929. This one, pre-dated the inauguration, was probably from a trial flight?

1929.11.11 漢口寄上海。航空封，貼北京二版航空票1角5分直三連 + 帆船1分雙連 + 1角，銷漢口三格漢英日戳。抵上海。上海-漢口航線於1929年10月21日首航，然而此封更早，可能出自試航？