Watch List notes:

Australia, Elizabeth II, brilliant uncirculated one hundred dollars, 1999, The Perth Mint Centenary Sovereign, sovereign-sized gold coin within silver commemorative border, ELIZABETH II AUSTRALIA 100 DOLLARS, head r., wearing tiara, rev. THE PERTH MINT CENTENARY SOVEREIGN 1899-1999, St. George and the dragon, with case of issue and certificate, brilliant uncirculated
One of only 50,000 minted.
(300-400 GBP)