Description:
Grover Master Plate for perforations. MP102/517 (1946) SR No. 1868 for Bradbury Wilkinson & Co. Ltd. Stamp description: Postage double comb. Size of Stamp: 42mm x 27mm; No. of perforations: 28 x 18; ; Pitch of perforations: 1.5mm x 1.5mm .