細節
cover 1932 (25 May) Shanghai Postal Strike, registered XU5 to Canada, re-addressed to England, bearing the Emergency Postal Service 20c. coupon with registration label with boxed "SHANGHAI/E.P.S." h.s. in purple, additionally franked by Canada 3c. and 10c. to pay for redirection. The XU5 is accompanied by a booklet containing one coupon. Rare and interesting. Photo
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Note: According to an article written by F.W. Kauder, a total of 701 registered letters were sent during the period of the strike which lasted from 22nd - 27th May. The first day of use for the coupon was 25th May.