Watch List notes:

Foreign Coins, Australia, George VI, proof penny, 1950, Perth, bare head l., rev. kangaroo (KM.43), certified and graded by NGC as Proof 64 Brown, exceedingly rare
The catalogue price in Macdonald is A$60,000, and US$ 24,000 for PF63 in KM.
(3000-4000 GBP)