Specimen -- 10c. purple on red and 30c. grey-green handstamped "SPECIMEN" type HK4 diagonally reading upwards, also 10c. purple on red with the handstamp struck horizontally. (3). Photo | Christie's

拍品 1087

1087

Specimen -- 10c. purple on red and 30c. grey-green handstamped "SPECIMEN" type HK4 diagonally reading upwards, also 10c. purple on red with the handstamp struck horizontally. (3). Photo

细节

Specimen -- 10c. purple on red and 30c. grey-green handstamped "SPECIMEN" type HK4 diagonally reading upwards, also 10c. purple on red with the handstamp struck horizontally. (3). Photo