Hong Kong British Post Offices in China 1917-21 $10 purple and black on red, handstamped "<H>specimen" , unused with traces of gum. S.G. 17s. Photo
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Hong Kong British Post Offices in China 1917-21 $10 purple and black on red, handstamped "<H>specimen" , unused with traces of gum. S.G. 17s. Photo