used Block of Four 4d. brownish black with reversed watermark, a used block of four showing marginal watermark letters across the centre. A fine and rare multiple. S.G. 31, £1,100. Photo | Christie's

Lot 88

used Block of Four 4d. brownish black with reversed watermark, a used block of four showing marginal watermark letters across the centre. A fine and rare multiple. S.G. 31, £1,100. Photo

Details

used Block of Four 4d. brownish black with reversed watermark, a used block of four showing marginal watermark letters across the centre. A fine and rare multiple. S.G. 31, £1,100. Photo