Elite: fewer than 10,000 minted. Rarely sells: 1 verified sales in the last 12 months.
10 Pence - Elizabeth II G - Greenwich Mean Time Silver Proof (2018)
Circulating version: 2018 10 Pence - Elizabeth II – G - Greenwich Mean Time
| Country | United Kingdom |
| Year | 2018 |
| Denomination | 10 Pence |
| Face value | 10p |
| Mintage | 2,537 |
| Mint | Royal Mint · Llantrisant |
| Circulation | Non-circulating |
| Composition | Silver (.925) (925/1000 fine) |
| Weight | 6.500g · 0.1933 t oz |
| Diameter | 24.5mm |
| Shape | Round |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
Fifth crowned portrait of Queen Elizabeth II right, wearing the George IV State Diadem, legend around.
A globe design with the letter ‘G’ to represent Greenwich Mean Time.
Silver Proof 10p market value
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Daily limit reachedSilver Proof 10p value by grade
Realised auction prices · ⭐ Pro Expand rows for individual sale records| Grade | Latest | Median | 30d Δ | All-time range | Sales (1yr) | Total sales | Last sale | |
|---|---|---|---|---|---|---|---|---|
| PR-65 | £21.50 🔒 eBay | £21.50 (1) | – | £21.50 – £21.50 | 1 | 1 | 20-03-2026 | |
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About the 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof
The 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof is a collector 10 pence coin, struck in 92.5% silver. It weighs 6.5g and measures 24.5mm across. Reverse design: A globe design with the letter ‘G’ to represent Greenwich Mean Time.
2,537 were struck.
Common questions
How much is the 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof worth?
The 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof has a price in one grade on MyCoinage so far: £21.50 in PR-65, the median of its verified sales. Its silver content is worth about £7.72 at today's spot price, which puts a floor under its value.
How is the 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof different from the circulating coin?
This is a collector version of the 2018 10 Pence - Elizabeth II – G - Greenwich Mean Time, not the coin found in change. It is struck in 92.5% silver rather than nickel.
How do I identify the 2018 10 Pence - Elizabeth II G - Greenwich Mean Time – Silver Proof?
Check the weight 6.5g and diameter 24.5mm and the metal (92.5% silver) against the specification table on this page. The reverse design is described above.
History and design
This is a collector version of the 10 Pence - Elizabeth II – G - Greenwich Mean Time. The history below is that coin's; the mintage, varieties and collecting notes on its page do not apply to this strike.
Greenwich Mean Time is the subject of the letter G in the Royal Mint's A to Z 10p series of 2018. Coin World's report of the launch on 1 March 2018 singled it out, with the World Wide Web coin, as one of the designs marking British scientific and technological achievement, saying it celebrates the country's naval history and the setting of a global timescale.
The Royal Mint's page for the coin describes the Royal Observatory Greenwich as the home of GMT. It says a single baseline time zone for the world was first proposed in 1876 by the engineer Sandford Fleming, that the International Meridian Conference later agreed a universal day beginning at Greenwich midnight, and that most countries had adopted hourly time zones by the 1930s. Change Checker adds that GMT was adopted by Parliament on 2 August 1880.
The Mint struck 220,000 for circulation dated 2018 and 84,000 dated 2019, which is 304,000 in total.
The reverse shows a globe with a large letter G. Coin Hunter describes a marked line on the globe indicating the Greenwich Meridian. It stands for an idea, where neighbouring letters such as D and F show an object.
The Royal Mint credits the reverse to The Royal Mint Team. The obverse has the fifth portrait of Elizabeth II by Jody Clark and carries the denomination and date. The coin is nickel-plated steel with a milled edge.
Sources
- UK coin mintage figures (data file), The Royal Mint (read 9 Oct 2026)
- G - Greenwich Mean Time 2018 10p Silver Coin, The Royal Mint (read 9 Oct 2026)
- All 26 Quintessentially British A-Z 10p Coins (2019), The Royal Mint (read 9 Oct 2026)
- 10p Coin Designs and Specifications, The Royal Mint (read 9 Oct 2026)
- 10p: G - Greenwich Meantime, Change Checker (read 9 Oct 2026)
- 2018 / 2019 G - Greenwich Mean Time 10p, Coin Hunter (read 9 Oct 2026)
- 'Great British Coin Hunt' begins with 10-penny series, Coin World (read 9 Oct 2026)
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