Description:
Grover Master Plate for perforations. MP102/425 (1938) SR No. 9829 for Bradbury Wilkinson & Co. Ltd. Stamp description: Single comb. Size of Stamp: 24mm x 40nmm; No. of perforations: 16 x 27; Pins: 0.035; Pitch of perforations: 1.5mm x 1.481mm .