In December 1918 Bradbury, Wilkinson & Co. Ltd took over the printing of the stamps and they were re-engraved in 1934, with the horizontal engraved lines behind the King's head on the earlier issues replaced with cross-hatched lines.
In December 1918 Bradbury, Wilkinson & Co. Ltd took over the printing of the stamps. The contract returned to Waterlow & Sons in 1934 and the dies were re-engraved, with the horizontal engraved lines behind the King's head on the earlier issues replaced with cross-hatched lines.