In 2016, to celebrate the 90th Birthday of Her Majesty Queen Elizabeth II, the Royal Mint released a Limited Issue Queen's 90th Birthday £5 Five Pound Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR69 DCAM.
The reverse designed by Christopher Hobbs depicts a circle of roses and 'E II R 90' in the center.
Royal Mint Product Code - UK1690SP