unmounted mint Block of Four -- ditto, #1 violet and black on scarlet, a block of four with sheet margin at top, fine unmounted mint | Christie's

拍品 309

309

unmounted mint Block of Four -- ditto, #1 violet and black on scarlet, a block of four with sheet margin at top, fine unmounted mint

细节

unmounted mint Block of Four -- ditto, #1 violet and black on scarlet, a block of four with sheet margin at top, fine unmounted mint