Description:
Grover Master Plate for perforations. MP102/722 (1953) SR No. 8380 for Bradbury Wilkinson & Co. Stamp description: D / C 18 Stamps across. Size of Stamp: 30mm x 21mm; No. of perforations: 20 x 14; ; Pitch of perforations: 1.5mm x 1.5mm .