Item Title:
Grover Master Plate for perforations. MP102/298 (1931) SR No. 8448 for Perkins Bacon. Stamp description: Newfoundland stamp. Size of Stamp: 1.175" x 23.68mm; No. of perforations: 20 x 16; Pins: 0.04; Pitch of perforations: .5875" x 1.48mm .