Proof 1903-05 master die proof of the design used for the 3c., 4c., 12c. and 75c. values, in black on glazed card (92x60mm.) marked "BEFORE HARDENING" and dated "12 JAN. 03", fine

Details
Proof 1903-05 master die proof of the design used for the 3c., 4c., 12c. and 75c. values, in black on glazed card (92x60mm.) marked "BEFORE HARDENING" and dated "12 JAN. 03", fine