2017 Isaac Newton 50p
The 2017 Isaac Newton 50p is a circulating 50p with 1.8 million made. Value band: face value. Here is how to recognize it, what makes one worth more and what to check on yours.
- Year
- 2017
- Circulation mintage
- 1,801,500
- Value band
- Face value
- Designer
- Aaron West
Original illustration of the coin's shape and metal. Tap to flip. Not a picture of the actual design.
Face value · Small premium · Collector premium · Significant rarity. We use bands because prices change daily.
What is a 2017 Isaac Newton 50p worth?
1.8 million were made, so the 2017 Isaac Newton 50p is easy to find. A circulated one is worth face value; collectors pay a little more only for uncirculated coins and coins still in their original Royal Mint pack.
What would make yours worth more:
- Uncirculated condition with no scratches or contact marks
- Original Royal Mint pack or presentation folder
- A genuine mint error, confirmed by an expert
For market prices, look at recent sold results for the same coin in the same condition, not asking prices.
Quick answers
- Is the 2017 Isaac Newton 50p rare?
- No. 1.8 million were made, so circulated examples are worth face value.
- How many 2017 Isaac Newton 50p coins were made?
- 1,801,500 were struck for circulation.
- Who designed the 2017 Isaac Newton 50p?
- The design is credited to Aaron West.
- What is the 2017 Isaac Newton 50p made of?
- Cupronickel (75% copper, 25% nickel). It weighs 8.0 g and measures 27.3 mm, with a seven-sided (equilateral curve heptagon) shape.
- Is the 2017 Isaac Newton 50p still legal tender?
- Yes. Every 27.3 mm 50p, including commemoratives, is legal tender in the UK.
Why the 2017 Isaac Newton 50p was made
Sir Isaac Newton is best known for his laws of motion and his theory of gravitation, set out in the Principia in 1687. Fewer people know that he spent the last three decades of his life at the Royal Mint. He became Warden in 1696 during a major recoinage and was later made Master, a post he held until his death in 1727. He took the job seriously, chasing counterfeiters and tightening control over the weight and quality of coins.
In 1717 Newton wrote a report on the state of the coinage that fixed the value of the gold guinea at 21 shillings. The decision tipped Britain toward relying on gold rather than silver, so historians often treat it as the start of a gold standard in practice. The Royal Mint marked the 300th anniversary of that report in 2017 with this 50p. It was an unusual subject for a circulating coin, because instead of a famous face or event it honored the Mint's own most celebrated official. The circulation mintage was 1,801,500, far lower than the Beatrix Potter coins of the same year.
How to recognize it
There is no portrait of Newton on the reverse. Instead, Aaron West designed a stylized Sun sitting at the center of three planetary orbits, each traced as a curved line around it. It is a nod to the gravitational theory that explained how planets move around the Sun. The effect is clean and geometric, a little like a diagram from a science textbook, which makes it hard to confuse with any other 50p. Check that the date is 2017. On the obverse is the Jody Clark portrait of the Queen, introduced in 2015. The coin is the standard 27.3 mm seven-sided cupronickel 50p, so it looks ordinary until you study the reverse.
The other side carries Jody Clark's portrait of Queen Elizabeth II, introduced in 2015 and the last of her reign.
2017 Isaac Newton 50p by the numbers
Measured by how many were made, the 2017 Isaac Newton 50p ranks 23rd lowest of 76 circulating 50p coins with a published mintage. The next scarcer is the 2011 Olympic Hockey 50p (1.77 million); the next more common is the 2011 Olympic Weightlifting 50p (1.88 million).
For scale, the most common is the 1973 EEC Hands 50p with 89.8 million, about 50 times as many. The scarcest is the 1992 Single Market 50p with 109,000, 17 times fewer than this one.
2017 brought 4 other circulating 50p designs: the Tom Kitten (9.5 million), the Mr Jeremy Fisher (9.9 million), the Peter Rabbit (19.9 million) and the Benjamin Bunny (25 million). The 2017 Isaac Newton 50p was the scarcest of the year.
What to check on your 2017 Isaac Newton 50p
- Confirm the design. The reverse should match the Isaac Newton described above and carry the date 2017; similar designs from other years are a common mix-up.
- Weigh it if you can: a genuine 27.3 mm 50p weighs 8.0 g. Copies are often light, slightly soft in detail or the wrong color.
- Ignore painted or colored versions sold online as special editions. Color added after the coin left the Mint does not make it a Royal Mint issue and does not add collector value.
- Look at the surfaces under a bright light. Coins straight from a pack have unbroken luster; change-worn coins show scuffs on the high points of the portrait and design.
A circulation mintage of just over 1.8 million is low for a modern 50p, so the Newton coin turns up in change far less often than most of its 2017 companions. It still is not a great rarity. Circulated examples can fetch a small premium from collectors filling a set, with clean, sharp coins preferred. The orbit lines are thin and pick up scratches easily, so check them under good light. The Royal Mint also sold brilliant uncirculated versions in packs. A pack coin has bright, unbroken fields, while a coin that has been through tills shows a softer surface with knocks along the edges.
Mintage chart
Specifications
| Country | United Kingdom |
|---|---|
| Denomination | 50 pence |
| Issuer | Royal Mint |
| Year | 2017 |
| Circulation mintage | 1,801,500 |
| Composition | Cupronickel (75% copper, 25% nickel) |
| Weight | 8.0 g |
| Diameter | 27.3 mm |
| Shape | Seven-sided (equilateral curve heptagon) |
| Edge | Plain |
| Designer | Aaron West |
| Portrait | Clark |
Other 2017 50p coins
| Coin | Circulation mintage | Value band |
|---|---|---|
| 2017 Benjamin Bunny 50p | 25,000,000 | Face value |
| 2017 Peter Rabbit 50p | 19,900,000 | Face value |
| 2017 Mr Jeremy Fisher 50p | 9,900,000 | Face value |
| 2017 Tom Kitten 50p | 9,500,000 | Face value |
Frequently asked questions
Why is Isaac Newton on a 50p?
The coin marks 300 years since Newton's 1717 report as Master of the Royal Mint, which fixed the gold guinea at 21 shillings and moved Britain toward a gold standard. He ran the Mint until his death in 1727.
Is the Isaac Newton 50p rare?
It is scarcer than most modern 50ps, with 1,801,500 made for circulation. That is not a famous rarity, but it is low enough that collectors pay a small premium for clean examples, especially ones with unscratched orbit lines.
Mintage figures: Fifty pence (British coin) (Wikipedia, CC BY-SA 4.0), compiled from Royal Mint figures. How we build these pages.