In 2016, to celebrate the 90th Birthday of Her Majesty Queen Elizabeth II, the Royal Mint released a Limited Issue Queen's 90th Birthday £10 Ten Pound Silver Proof Coin struck in solid fine .999 Silver weighing five ounces of pure Silver.
The reverse designed by Christopher Hobbs depicts a circle of roses and 'E II R 90' in the center.Royal Mint Product Code - UK1690S5