Specimen 1914-19 First Peking printing $20 black and yellow overprinted "SPECIMEN" with much original gum, centred to foot and climatically toned. Photo
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Specimen 1914-19 First Peking printing $20 black and yellow overprinted "SPECIMEN" with much original gum, centred to foot and climatically toned. Photo
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Fine Stamps and Covers of Hong Kong and China
