Legendary: fewer than 100 minted. Rarely sells: 1 verified sales in the last 12 months.
50 Pence - Elizabeth II Insulin Gold Proof (2021)
Circulating version: 2021 50 Pence - Elizabeth II – Insulin
| Country | United Kingdom |
| Year | 2021 |
| Denomination | 50 Pence |
| Face value | 50p |
| Mintage | 110 |
| Mint | Royal Mint · Llantrisant |
| Circulation | Non-circulating |
| Composition | Gold (.9167) (917/1000 fine) |
| Weight | 15.500g · 0.4568 t oz |
| Diameter | 27.3mm |
| Shape | Equilateral curve heptagon (7-sided) |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
Fifth crowned portrait of Queen Elizabeth II right, wearing the George IV State Diadem, legend around.
An interpretation of the structure of insulin along with its molecular formula.
Gold Proof 50p market value
Find this on eBay
AffiliateGold Proof 50p price history
Daily limit reachedGold Proof 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 | £1,536.70 🔒 eBay | £1,536.70 (1) | – | £1,536.70 – £1,536.70 | 1 | 1 | 16-08-2026 | |
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About the 2021 50 Pence - Elizabeth II Insulin – Gold Proof
The 2021 50 Pence - Elizabeth II Insulin – Gold Proof is a collector 50 pence coin, struck in 91.67% gold. It weighs 15.5g and measures 27.3mm across. Reverse design: An interpretation of the structure of insulin along with its molecular formula.
110 were struck.
Common questions
How much is the 2021 50 Pence - Elizabeth II Insulin – Gold Proof worth?
The 2021 50 Pence - Elizabeth II Insulin – Gold Proof has a price in one grade on MyCoinage so far: £1,537 in PR-65, the median of its verified sales. Its gold content is worth about £1,369 at today's spot price, which puts a floor under its value.
How is the 2021 50 Pence - Elizabeth II Insulin – Gold Proof 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 15.5g of 91.67% gold 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 – Gold Proof?
Check the weight 15.5g and diameter 27.3mm and the metal (91.67% gold) against the specification table on this page. The reverse design is described above.
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