In 2006 to celebrate the Queen's 80th Birthday, the Royal Mint on behalf of the Cayman Islands released a very Limited Issue Queens 80th Birthday $5 Five Dollar Silver Proof Coin struck in solid .925 Sterling Silver.
The obverse features a portrait of Her Majesty Queen Elizabeth II by Ian Rank Broadley
plated in 24 Carat Gold.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.