In 2010, to celebrate the Royal Engagement of Prince William and Kate Middleton, the Royal Mint released on behalf of Alderney a Limited Issue Royal Engagement £5 Five Pound Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR69 DCAM.
The reverse depicts a portrait of both William and Kate and the obverse has the stunning 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.