For 2017 the Royal Mint released it's yearly Limited Issue Britannia £50 Fifty Pound Gold Proof Coin weighing one half of an ounce of pure Gold struck in solid fine .9999 Gold Certified Slabbed and Graded by PCGS as PR70 DCAM.

The portrait designed by Louis Tamlyn depicts a contemporary reverse design, reflecting a time of political change when the eyes of the world have often been on Britain.
His design also contains the Trident Mint Mark that celebrates this anniversary.
The obverse design features Jody Clark's Fifth 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.

• Limited Mintage of 450 Coins Worldwide
• Mark a milestone or great British moment with this year-dated Britannia coin
• Finished to Royal Mint's Proof Standard
• Struck in Solid Fine 999.9 Gold weighing one half of an ounce of pure Gold
• Features Britannia with Trident and Shield by acclaimed artist Louis Tamlyn
• Certified Slabbed and Graded by PCGS as PR70 DCAM