50 Pence - Elizabeth II Sir Isaac Newton Silver Proof

Name: 50 Pence - Elizabeth II Sir Isaac Newton; Silver Proof
Brand: Royal Mint

CountryUK Year2017 Denom50 Pence MintRoyal Mint MetalSilver (.925) Melt ~£14.29

Data verified by Connor Jones, Editor · realised auction prices only · last refreshed 3 June 2026.

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Country	🇬🇧 United Kingdom
Year	2017
Denomination	50 Pence
Face value	50p
Mint	Royal Mint · Llantrisant
Circulation	Circulating
Composition	Silver (.925)
Weight	8.000g
Diameter	27.3mm
Shape	Equilateral curve heptagon (7-sided)
Orientation	Medal alignment ↑↑
Grade scale	UK (EF/UNC)

Obverse

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

Reverse

Design based upon elements of Proposition 11 in Book One of Newton's Principia Mathematica. Script: Latin

Silver content

Gross troy oz 0.2572

Purity unknown, melt value is approximate

Melt value (approx) £14.29

Premium over melt £25.55

Also issued as

Related guides

Market Value

£37.10

▼ 4.7% 30d

Volume-weighted avg across 13 sales Last sale 4 days ago

1 grade with data

Region

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Realised auction prices · ⭐ Pro Expand rows for individual sale records

	Grade	Latest	Avg (90d)	30d Δ	All-time range	Sales (1yr)	Total sales	Last sale
	PR-65	£39.84 🔒 listed	£37.23	▼4.7%	£25.00 – £54.78	13	13	04-06-2026
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Pricing Data

1 grade · last updated unknown

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