Proof Master with blank value tablet in black on glazed card (92x60mm.), marked "AFTER STRIKING", dated "11 MAR 84" and initialled "GN", fine. Photo

Details
Proof Master with blank value tablet in black on glazed card (92x60mm.), marked "AFTER STRIKING", dated "11 MAR 84" and initialled "GN", fine. Photo
Provenance
H. Moreton Black, 1996