Description:
Grover Master Plate for perforations. MP102/401 (1937) SR No. 7823 for Bradbury Wilkinson & Co. Stamp description: Double comb. Size of Stamp: 20.125mm x 23.808mm; No. of perforations: 14 x 16; Pins: 0.035; Pitch of perforations: 1.4375mm x 1.488mm .