Description:
Grover Master Plate for perforations. MP102/477 (1942) SR No. 6551 for Waterlow. Stamp description: Postage stamp panel of 10. Size of Stamp: 18.24mm x 22.4mm; No. of perforations: 12 x 14; Pins: Nr.1; Pitch of perforations: 1.52m x 1.6mm .