In 2017 to celebrate the 375th Anniversary of the Birth of Sir Isaac Newton, the Royal Mint released a special Limited Issue Sir Isaac Newton 50p Fifty Pence Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR69 DCAM .

The reverse designed by Aaron West while the obverse features the Fifth Portrait of Her Majesty Queen Elizabeth II by Jody Clark.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.

Royal Mint Product Code - UK17INSP

• Limited Mintage Presentation of 3,926 Worldwide
• Finished to Royal Mint's Proof Quality in Solid .925 Sterling Silver
• The only Official UK Coin to celebrate this Scientific Genius
• Celebrating the 375th Anniversary of the Birth of Isaac Newton
• Celebrating one of the most famous figures ever to hold the role of Master of the Mint, author of the single most influential book on physics ever written
• Certified Slabbed and Graded by PCGS as PR69 DCAM