In 1997 to celebrate the Golden Wedding Anniversary of The Queen and Prince Philip, the Royal Mint released a very Limited Issue Golden Wedding £5 Five Pound Proof Coin.

The reverse is designed by Leslie Durbin and combines the Royal Arms and the Royal Crown beneath them is an anchor, representing the Prince's naval career.
The obverse depicts a portrait of the royal couple designed by Philip Nathan.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.