China. (Japanese Postal Agency in Shanghai). 1883. Mourning envelope addressed to New York bearing Japan 'Koban' SG 83, 5s brown tied by cork cancel with circular 'I.J. Postal Agency/ Shanghai' date stamp 'mar 14', routed via Yokohama with Yokohama/Japan thimble cds '22nd Mar 1883' on face with San Francisco/ Paid All transit 'April 14' in red on reverse and Ithaca, New York arrival (very feint).