Proof 1912 10/- frame die proof in black on glazed card (92x60mm.), marked "AFTER HARDENING" (in black) and dated "23 AUG.12". Fine

Details
Proof 1912 10/- frame die proof in black on glazed card (92x60mm.), marked "AFTER HARDENING" (in black) and dated "23 AUG.12". Fine