50 Pence - Elizabeth II Insulin; Silver Piedfort obverse
Obverse
50 Pence - Elizabeth II Insulin; Silver Piedfort reverse
Reverse
Exceptional 🐢 Rarely sells

Exceptional: fewer than 1,000 minted. Rarely sells: 3 verified sales in the last 12 months.

50 Pence - Elizabeth II Insulin Silver Piedfort (2021)

CountryUK Year2021 Denom50 Pence Mintage886 MintRoyal Mint MetalSilver (.925) Melt £18.99
Verified by the MyCoinage editor · realised auction prices only · last refreshed .
Reference guide Read the Rare 50p coins UK guide Mintage, key dates, realised auction prices and authentication tips.
CountryUnited Kingdom
Year2021
Denomination50 Pence
Face value50p
Mintage886
MintRoyal Mint · Llantrisant
CirculationNon-circulating
CompositionSilver (.925) (925/1000 fine)
Weight16.000g · 0.4758 t oz
Diameter27.3mm
ShapeEquilateral curve heptagon (7-sided)
OrientationMedal alignment ↑↑
Grade scaleUK (EF/UNC)
Obverse

Fifth crowned portrait of Queen Elizabeth II right, wearing the George IV State Diadem, legend around.

Reverse

An interpretation of the structure of insulin along with its molecular formula.

Silver content
Fine troy oz 0.4758
Melt value £18.99
Premium over melt £33.71

Silver Piedfort 50p market value

£52.70
Median of 3 verified PR-65 sales.
Last sale 25 days ago View price history →

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Silver Piedfort 50p price history

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Silver Piedfort 50p 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 £52.70 🔒 eBay £52.70 – £44.00 – £57.90 3 3 02-10-2026
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Pricing Data
1 grade · last updated 27 Oct 2026

About the 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort

The 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort is a collector 50 pence coin, struck in 92.5% silver. It weighs 16g and measures 27.3mm across. Reverse design: An interpretation of the structure of insulin along with its molecular formula.

886 were struck.

Common questions

How much is the 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort worth?

The 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort has a price in one grade on MyCoinage so far: £52.70 in PR-65, the median of its verified sales. Its silver content is worth about £18.99 at today's spot price, which puts a floor under its value.

How is the 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort different from the circulating coin?

This is a collector version of the 2021 50 Pence - Elizabeth II – Insulin, not the coin found in change. At 16g of 92.5% silver it is heavier than the 8g nickel circulating coin, so weighing it is the quickest check.

How do I identify the 2021 50 Pence - Elizabeth II Insulin – Silver Piedfort?

Check the weight 16g and diameter 27.3mm and the metal (92.5% silver) against the specification table on this page. The reverse design is described above.

More 50 Pence coins from nearby years

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