In 2015 to celebrate Queen Elizabeth II the Longest Reigning Monarch, the Perth Mint on behalf of Australia released a special Limited Issue Intaglio Longest Reigning Monarch $1 One Dollar Silver Proof Coin struck in fine .999 Silver weighing one ounce of pure Silver.

The reverse designed by Natasha Muhl depicts an incused version of Ian Rank Broadleys Fourth portrait of Her Majesty Queen Elizabeth II surrounded by a pattern of tudor roses.
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.

• Limited Mintage of 5,000 Coins Worldwide
• Finished to Perth Mint's Proof Quality
• Struck in Solid Fine .999 Silver Weighing One Ounce of Pure Silver
• Celebrating the Longest Reigning Monarch
• Boxed with Certificate of Authenticity