CYPRUS 1912 KGV type 12 Keyplate MASTER DIE PROOF Very Rare and Important

1912 KGV type 12 keyplate master die proof (used for the 1912-15 and 1921-23 issues) in black on glazed card (92x60mm). A very rare and important proof of which few are recorded. An identical proof in the Spink Aphrodite sale (24/2/2009 lot 255) realised 5411 pounds.