cover 1892 (16 Dec.) Hong Kong 1c. stationery card (vertical crease) addressed to Peking and cancelled by Shanghai c.d.s. with "CUSTOMS/SHANGHAI" c.d.s. in blue and a good strike of framed "To Pay" in red, the reverse with a light strike of "I.G. OF CUSTOMS/PEKING" c.d.s. in blue, unusual