1919-12-24, Visit of a delegation of the Aero Club of America to Peking; official letter paper with seal franked with 1 C President Yuan Shih-kai, boxed postmark "CHINESE POST OFFICE / Despatched by Aeroplane / TIENTSIN TO PEKING" handwritten note "Grand Hotel Peking China December 24 1919", red cachet "AEROPLANE MAIL SERVICE" and small boxed postmark "RECEIVED BY AERPLANE", added is an updated Chinese stationery with both boxed postmarks; whether these items have been flown is uncertain - in any case they respresent the earliest documents of Airmail in China

1921-07-02, First Flight Tsinan - Peking, pre-printed cover "By train to Tsinan and Aeroplane to Peking" with 15 C airmail and 3 C, posted Shanghai 1.7.21, arrival Peking 2.7.21 with time "14" oclock on reverse, very early airmail cover, fine

1921-07-02, First Flight (Shanghai -) Tsinan - Peking, Vickers Vimy, Pilot C. A. Lewis, cover from Shanghai 07-21 with railway to Tsinan and with airmail to Peking 07-21 14:00 signed by pilot, envelope slightly trimmed on left side

1923-06-26, Peking - Tientsin, 5 picture cards showing airplanes, all franked with a different airmail stamp from the set, flown Tientsin - Peking on 06-26 with boxed airmail postmark "Tientsin to Peking" on the backside; a magnificent grouping in excellent condition

1924-05-13, Moukden - Newchwang (- Shanghai), cover with 15 C airmail stamp and 3 C on reverse, from Moukden 05-12 to Newchwang 05-13 and onward to Shanghai 05-16

1924-05-16, Moukden - Newchang, Chang Tso Lin Service, cover from Moukden 05-15 via Newchang 05-16 to Shanghai 05-19

1924-05-20, Moukden - Newchang, Chang Tso Lin Service, cover from Moukden 05-19 via Newchang 05-20 to Shanghai 05-23

1924-06-17, Moukden - Newchwang, cover with 15 C airmail stamp and pair of 1½ C on reverse, from Moukden 06-17 to Newchang

1926-05-24, Raid Paris - Peking by D'Oisy and Carol, planned flight route via Poland, Russia and Manchuria to China, however the plane crashed near Warsaw on 05-25, only 12 covers signed by the pilots were carried, important item, Muller 15000 Points

1928-04-08, Costes and Le Brix Flight Tokyo - Paris with forced landing near Chuanhsien, the two French pilots set out on a round the world trip with their Breguet 19 A2 aircraft on 1927-10-10, on the return leg from Tokyo to Paris they carried a few covers postmarked Tokyo 1928, April 8; Muller 10'000 Points

1928-06-28, Around the World Flight by US pilots John Henry Mears and C. Collyer, illustrated souvenir card franked with Chinese stamps postmarked in Moukden, arrival New York July 22

1929-07-08, first regular flight Nanking - Shanghai by newly founded CNAC, small format cover with 4 C commemorative stamp and 15 C airmail, attached very close to margin, regular postmark plus special flight cancellation Nanking, little wear

1929-07-10, 3rd Flight Shanghai - Nanking, commercial R-cover Shanghai - Nanking - Hankow with recipient on reverse, unusual item

1929-07-13, Flight Paris - Tokyo by Riegenot and Arrachart, leg Canton - Shanghai, express cover "Lignan University Canton" with handwritten "Par aeroplan Paris - Tokyo flight", postmarked Canton and addressed to Shanghai with recipient, two additional stamps and express label on reverse - 33 express covers do not bear the airmail franking, quite unusual item

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

1929-07-15, record flight by pilots Arrachart and Reignot from Paris to Tokio, leg Canton - Shanghai, flown pre-printed cover "The Chinese Government...", mixed franking with among others overprint provisionals in blocks of four with lower margin and plate nr. "8", one stamp with faults, big red flight cachet "Vol Paris - Tokio...", on reverse green label "Special Delivery..." and regular postmark, usual wear, only 300 covers flown

1929-10-21, First Airmail Shanghai - Nanking - Kiukiang - Hankow, registered cover from Nanking to Hankow 10-22 18, only 38 items were flown, rare cover

1929-11-23, raid Costes-Bellonte, Flight Hanoi - Paris, registered cover from Hanoi 11-17 to Paris 11-21 addressed to Bretteville 11-22, plus unused fotocard showing pilots and their plane

1929-11-26, First Direct Flight Canton - Yunnanfu, plane "Golden Horse" piloted by Commander Liu, cover from Canton 11-25 to Yunnanfu, 300 covers flown

1930-12-23, Flight Nanking - Wuhu (- Hankow), recipient on reverse, only 272 items flown