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    • Gold
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    • £31.8614
    • Silver
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Please call 02920 470506
LIVE MARKET RATES
  • Metal
  • Ounce
  • Gram
  • Gold
  • £991.0000
  • £31.8614
  • Silver
  • £11.5700
  • £0.3720
  • Platinium
  • £626.4000
  • £20.1392
  • Palladium
  • £976.4600
  • £31.3939

2017 Sir Isaac Newton Silver Proof Piedfort 50p Coin

  • Manufacturer: Royal Mint
  • Fineness:925
  • Dimensions: 27.3
  • Weight (grams): 16.00
  • Stock: In stock
  • free delivery

A renowned figure in Science, most do not know that Sir Isaac Newton also served as Master of the Mint at The Royal Mint! This coin celebrates the 375th anniversary of the genius' birth.


Coin Highlights:
  • Contains .4758 oz of fine Silver.
  • Comes in a box and includes a certificate of authenticity.
  • Maximum mintage of 4,500 proofs.
  • Celebrates the most famous figure ever to hold the role of Master of the Mint at The Royal Mint.
  • Obverse: Portrays the definitive portrait of Queen Elizabeth II, designed by Jody Clark.
  • Reverse: Features a design based upon elements of Proposition 11, in Book One of Newton's Principia Mathematica. The coin illustrates the Sun at the common focal point of three ellipses representing the orbits of different planets.
  • Guaranteed by The Royal Mint.

Sir Isaac Newton was the towering intellectual giant of the "Scientific Revolution" of the seventeenth century. He changed our understanding of mathematics and physics and redefined the way we see the world. But many people may not know that, for more than three decades, he also played a vital role at The Royal Mint. As Master of the Mint he made a considerable contribution to our coinage and economy, helping to make Britain’s currency one of the most respected and admired in the world. 

When he was appointed Warden of the Mint at the age of 53, Newton was already a world-renowned scholar. His greatest achievements include inventing calculus, proving that white light is made up of primary colors and the theory of universal gravitation. His Mathematical Principles of Natural Philosophy, published in 1687, was the single most influential book on physics ever written. 

Newton’s complex and meticulous report, dated September 21, 1717, commonly known as ‘the valuation of the guinea’, was pivotal in establishing gold coin as the pre-eminent currency of the United Kingdom. It suggested setting the gold guinea’s value at 21 shillings, which paved the way for the introduction of the Gold Standard a century later. Thanks to Newton’s vision, Royal Mint coins remain unrivaled in their accuracy and purity to this day.

The obverse design is based upon elements of Proposition 11, in Book One of Newton’s Principia Mathematica. The proposition proves that if a body orbits in an ellipse around an attracting body at the focus of the ellipse, then, under certain conditions, the orbiting body is constantly accelerated towards the central body with a force inversely proportional to the distance between them. In the image on the coin the Sun lies at the common focal point of three ellipses representing the orbits of different planets.

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£99.99

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