Description:
Grover Master Plate for perforations. MP102/423 (1938) SR No. 9747 for Bradbury Wilkinson & Co. Stamp description: Comb. Size of Stamp: 25.029mm xx 25. mm; No. of perforations: 15 x 15; Pins: 0.04; Pitch of perforations: 1.6686mm x 1.674mm .