China. (Japanese Post Office). 1900. Envelope addressed to Canada bearing Chinese Imperial Post SG 113, 10c green tied by Peking date stamp '19 Mar' routed via the Imperial and Japanese Post Office Shanghai bearing Japanese Post Office SG 10a 5s yellow (pair) tied by Shanghai/ I.J.P.O. date stamp '23/3' routed via Yokohama and San Francisco with Owen Sound arrival 'Ap 23 00' on reverse. Lovely combination.