In 2013 to celebrate the 40th Anniversary of Sydney Opera House, the Royal Australian Mint released a special Limited Issue Sydney Opera House $1 One Dollar Silver Proof Coin struck in fine .999 Silver weighing one ounce of pure Silver.
The reverse designed by A Stokic depicts the Sydney Opera House while the obverse design features Ian Rank Broadley's portrait of Her Majesty Queen Elizabeth II.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.