In 2003 to celebrate the 21st Birthday of Prince William, the Royal Mint on behalf of Guernsey released a very Limited Issue Prince William £5 Five Pound Silver Proof Coin struck in solid .925 Sterling.

The reverse depicts a portrait of Prince William and his Coat of Arms by sculptor David Cornell.
The obverse is a portrait of Queen Elizabeth II designed by Ian Rank Broadley.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.

• Limited Mintage Worldwide
• Finished to Royal Mint's Proof Quality
• Struck in Solid .925 Sterling Silver
• Celebrating the 21st Birthday of Prince William
• Encapsulated as Shown