Watch List notes:

Australia, Elizabeth II, the Sydney Olympic Games, 2000, proof one kilogram commemorative silver coin of thirty dollars, struck at the Royal Australian Mint, Perth, the reverse designed by Stuart Devlin, head of the Queen r., by Ian Rank Broadley, rev. a wide circle of sporting men and women, around the 'Sydney 2000' logo, encapsulated in wooden case, numbered 10 (of 20,000 struck), and with certificate (SD pp. 276-277), brilliant mint state
The reverse design incorporates all 28 Olympic sports contested at Sydney.