In 2003 to celebrate the History of Powered Flight, the Royal Mint on behalf of the Solomon Islands released a very Limited Issue Bell X-1 $25 Twenty Five Dollar Silver Proof Coin struck in solid .999 Silver weighing one ounce of pure Silver.

The reverse depicts the Bell X-1 while the obverse features a portrait of Her Majesty Queen Elizabeth II by Ian Rank Broadley.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.

• Limited Mintage of 10,000 Worldwide
• Finished to Royal Mint's Proof Quality
• Struck in Solid Fine .999 Silver Weighing One Ounce of Pure Silver
• Celebrating the History of Powered Flight - Bell X-1
• Encapsulated