French Colonies. (Oceania - U.S. Post Office in China). 1900. Etablissement De L' Oceanie postal stationery envelope '25c black/ rose cancelled by Papeete/ Tahiti double ring '12th Jan 00' with adjacent second strike, addressed to 'The French Ambassador, Peking, China', routed via San Francisco and Tacoma ' Feb 20' with circular 'U.S. Postal Agency Shanghai, China' transit '24th March' and Imperial Post Office Shanghai and Peking arrival '29th March' on reverse.
Very scarce item of mail from the French Oceania islands via the United States sent through the U.S. Postal Agency in Shanghai to Peking.