Hong Kong, British Post Office in China: Lot of two postcards addressed to David Ezra in Calcutta, India. One 4c stationery card, posted in 1915, and the other featuring a 4c with 'China' overprint stationery card, posted in 1917. Each cancelled by Shanghai British Post Office cds, featuring clear routing, 'PRC' box cachets and receiving cancels in Calcutta, India. Additionally, they bear censor postmarks and Hebrew correspondence. Rare usage and destination. (Yang # P28, P35)