1929-07-15, record flight by pilots Arrachat and Riegnot from Paris to Tokio, leg Canton - Shanghai, flown cover with 2, 4 and 10 C junk, around 50 letters were received too late to be marked with the big red flight cachet, on reverse green label "Special Delivery...", fine
6; Flugpost; FLUGPOST INTERNATIONAL; China
6; Airmail; AIRMAIL INTERNATIONAL; China