Hong Kong. (Shanghai Defence Force). 1936. Registered envelope addressed to England bearing Great Britain 'Silver Jubilee' SG 453, 1/2d green, SG 454, 1d red and SG 455, 1 1/2d brown (pair) tied by 'Army Post Office/ 1' double ring '18th Jan 36' with 'R/ Army P.O.1' registration label, endorsed 'via Siberia'. Army Post Office One headquarters at Kalee Hotel, Shanghai. Very attractive item of registered mail paying the correct postage plus registration fee.