In 1997 to commemorate Lady Diana Princess of Wales, the Royal Mint released on behalf of the Government of Tuvalu a Limited Issue Lady Diana $20 Twenty Dollar Gold Proof Coin struck in solid fine 999.9 Gold.
The reverse features a stunning portrait of Lady Diana while the obverse depicts Raphael Maklouf's portrait of Her Majesty Queen Elizabeth II
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.