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

1919, Registered Demonstration Flight Cover written by Major Charles Glidden (Member of the Aero Club of America) from Shanghai adressed to New York, bearing 3 chinese stamps tied by "AEROPLANE MAIL SERVICE" on reverse ten stamps 1 C green Washington affixed and cancelled, transit mark SAN FRANCISCO 27. JAN 1920 and arrival mark NEW YORK 2.2.1920, tiny faults and some border crease usual for such a large cover, fine and very scarce (Am. Air Mail Cat. T.O.1010)

1920-07-05, First Official Postal Flight in China, Tientsin - Peking with Handley Page 0/400, Newspaper Wrapper of North China Daily Mail from Tientsin with the rare boxed postmark "CHINESE POST OFFICE / Despatched by Aeroplane/ TIENTSIN TO PEKING", violet boxed postmark "RECEIVED BY AEROPLANE" and Peking receiver 7 p.m., only 24 newspapers were flown but so far just 4 wrappers are known; great rarity of International Pioneer Aerophilately

1920-07-05, First Official Postal Flight in China, Peking - Tientsin with Handley Page 0/400 piloted by Mackenzie and Jones, Envelope of "Pekin Syndicate Ltd" with letter written by T.A. Barson who was a flight passenger, violet boxed postmark "RECEIVED BY AEROPLANE"; 35 items were flown, but only a few exist today, thus ith the full content a really unique item of International Pioneer Aerophilately

1920-07-05, First Official Postal Flight in China, Tientsin - Peking with Handley Page 0/400 piloted by Mackenzie and Jones, Express/Special Delivery cover franked with 13 C. and rare boxed postmark "RECEIVED BY AEROPLANE", Peking receiver on the backside and remains of the green Special Delivery slip, 40 items were flown but express items are extremely rare

1920-07-05, First Official Postal Flight in China, Tientsin - Peking with Handley Page 0/400 piloted by Mackenzie and Jones, Envelope of "Pekin Syndicate Ltd" adressed to he flight passenger T.A. Barson in Tientsin, violet boxed postmark "RECEIVED BY AEROPLANE", 40 items were flown, but only a few exist today, the cover shows some transport traces

1920-05-07, First Official Postal Flight in China, Tientsin - Peking with Handley Page 0/400, Official Announcement by order of Chinese Post Office regarding mail to be despatched by Handley Page Aeroplan this afternoon with postmark Tientsin 7 MAY 20, no other comparable item known

1921-07-01, First Flight Peking - Tsinan, Vickers Vimy, Pilot Patterson, registered cover with complete set of Airmail Stamps all postmarked with purple airmail cancellation on the bs; an impressing item

1921-07-01, First Flight Peking - Tsinan, Vickers Vimy, Pilot Patterson, cover franked on both sides with 15 C. airmail issue and Mi 152 from Peking 07-01 12:00 to Tsinan with black receiver 07-01 21:00 and onwards by railway to Shanghai 07-02 23:00

1921-07-02, First Flight (Shanghai-) Tsinan - Peking, Vickers Vimy, R-illustrated card from Shanghai 07-02 with railway to Tsinan and airmail to Peking with receiver; superb item

1921-07-02, First Flight (Shanghai-) Tsinan - Peking, Vickers Vimy, cover from Shanghai 07-02 with railway to Tsinan and airmail to Peking with receiver on the backside

1921-07-02, First Flight Tsinan - Peking, Vickers Vimy, cover from Tsinan 07-02 to Peking with receiver on the backside

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, on the left side enveloppe is slightly trimmed

1921-07-03, Second Flight Peking - Tsinan (-Nanking), Vickers Vimy, pilot A. Lewis, cover with unusual franking incl. Pair of 15 C airmail stamp

1921-07-06, Third Flight Peking - Tsinan, Vickers Vimy, pilot Patterson, 1 ½ C. stationary card with 15 C. airmail stamp, receiver 6.7. 21:00 on the backside

1921-07-06, Third Flight (Shanghai -) Tsinan - Peking, Vickers Vimy, pilot Patterson, cover with interesting text on the backside (translation): this letter is sent by airmail from Tsinan to mother on the 3. day of the 6. month

1921-08-12, First Flight Peking - Pehtaiho Beach, small cover with slight faults, rare to find

1921-08-15, First Flight Pehtaiho Beach - Peking, registered cover to Peking 15 AUG 21 18:00, very attractive

1922-08-14, Pehtaiho Beach - Peking, cover with airmail stamps only therefore taxed with 2 C. and receiver Peking 14 AUG 22 bs, unusual item

1922-08-22, Pehtaiho Beach - Peking, registered cover with receiver Peking 22 AUG 22 7, interesting item with minor faults