DOUBLE HEADS
Sets : ½d : 1d : 2d
½d
MDH1509
1910 ½d yellow-green, apparently printing 'B'. Plate proof ex. the Waterlow archive, upper marginal irregular block of 28, positions 5-9 / 57-59. Full imprint in margin, endorsed in pencil '260963 / 16.12.10 1.000.000 stamps' and then again '260963'. Usual punctures and condition for these. A unique and important archival piece. SG 119 / RJL 1 printer's proof
£750