China 1934 Second Peking print Junk 8c. pair, First London Print SYS 20c., and Second Peking Print Air Mail 45c.(3) cancelled by datestamp in black 1934-04-02 Tenchowfu to Germany transit :Shanghai 1934-04-03 arrival :Essen 19314-04-27 Domestic flights, KLM overseas to Italy.　Airmail for flight route to Italy (winter, 15g):$1.70(1c. overpaid) (Image1)

China 1939 Second London print SYS 20c.(3), 5c.(2) cancelled by datestamp 1939-05-30 Shanghai to Germany transit :Hong Kong 1939-06-08 Marseille Airways cancel stamp included. Airmail to England or Europe:70c. (Image1)

China 1940 First London print SYS 20c., Hong Kong Chung Hwa SYS first printing Die 1 $2, and Hong Kong Chung Hwa 5c. cancelled by datestamp in black 1940-01-13 Kulangsu to the Netherlands transit :Hong Kong 1940-01-15 Hong Kong's circular censorship stamp PASSED BY CENSOR HONG KONG NO.5. Hong Kong's circular censorship stamp is rare. London Airways cancel stamp included. The top left corner of the envelope is missing. Airmail to England or Europe(5g): $2.25 (Image1)