拍品 1712
1712
unused 50c. blue-green error of colour, fresh mint with none of the usual toning; scarce. S.G. 104a, Chan 100b. Photo
1897 Imperial Chinese Post, Lithograph Printing
unused 50c. blue-green error of colour, fresh mint with none of the usual toning; scarce. S.G. 104a, Chan 100b. Photo

細節
unused 50c. blue-green error of colour, fresh mint with none of the usual toning; scarce. S.G. 104a, Chan 100b. Photo
來源
Paul Hock, 1983