used 4a. blue and red, 4th printing pair [5-6] with reversed watermark, clear to good margins and lightly cancelled "B/172". Photo | Christie's

拍品 540

540

used 4a. blue and red, 4th printing pair [5-6] with reversed watermark, clear to good margins and lightly cancelled "B/172". Photo

細節

used 4a. blue and red, 4th printing pair [5-6] with reversed watermark, clear to good margins and lightly cancelled "B/172". Photo