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1 Crown - George III Pattern Silver (1817)
"Incorrupta crown"
Circulating version: 1817 1 Sovereign - George III Pattern
| Country | United Kingdom |
| Year | 1817 |
| Denomination | 1 Crown |
| Face value | 25p |
| Mint | Royal Mint · Llantrisant |
| Circulation | Non-circulating |
| Demonetised | Yes |
| Composition | Silver |
| Shape | Round |
| Edge | Plain |
| Obv. artist | William Wyon |
| Rev. artist | William Wyon |
| Grade scale | UK (EF/UNC) |
Right facing laureate bust of King George III
Crowned royal shield of arms
Silver Crown market value
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Daily limit reachedSilver Crown 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 | |
|---|---|---|---|---|---|---|---|---|
| UNC | £1,600.00 🔒 | £1,600.00 (1) | – | £1,600.00 – £1,600.00 | 0 | 1 | 07-06-2015 | |
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| VF | £158,400.00 🔒 | £149,600.00 | – | £1,032.00 – £158,400.00 | 2 | 4 | 27-05-2026 | |
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About the 1817 1 Crown - George III Pattern – Silver
The 1817 1 Crown - George III Pattern – Silver is a collector 1 crown coin, struck in silver. Reverse design: Crowned royal shield of arms.
It is no longer legal tender, so its value is to collectors only.
Common questions
How much is the 1817 1 Crown - George III Pattern – Silver worth?
Verified sold prices for the 1817 1 Crown - George III Pattern – Silver run from £1,600 to £149,600 across 2 grades, taking the median for each grade. Condition makes the difference, so check the grade table above before pricing one.
What is the Incorrupta pattern crown?
A pattern crown of 1817 by William Wyon, named from its reverse legend INCORRUPTA FIDES VERITASQUE, 'uncorrupted faith and truth'. It pairs a draped bust of George III with a crowned shield. It was not adopted; the crown of 1818 used Pistrucci's St George.
Was the Incorrupta crown ever issued?
No. It is a pattern, a trial design struck for consideration. The crowns that went into circulation from 1818 carried Benedetto Pistrucci's laureate head and his St George and the dragon.
Is there a gold version?
Yes. The same design was struck in gold, catalogued separately as ESC 230. A gold example sold at Monnaies de Collection in 2024 weighed 48.69 g and measured 38 mm. The silver strikings are ESC 229.
How can you recognise an Incorrupta crown?
Look for the draped bust signed W. WYON, the legend GEORGIUS III D:G: BRITANNIARUM REX and, on the reverse, a crowned shield with INCORRUPTA FIDES VERITASQUE. Spink notes that all the letters and details are stippled on both sides, and the edge is plain.
How is the 1817 1 Crown - George III Pattern – Silver different from the circulating coin?
This is a collector version of the 1817 1 Sovereign - George III Pattern, not the coin found in change. It is struck in silver.
History and design
The recoinage of 1816 to 1817 needed a new crown, and in 1817 the Royal Mint tried more than one design for it. William Wyon, early in a career at the Mint that the Royal Mint Museum dates from 1816 to 1851, produced two pattern crowns that year: the Three Graces and this one, known from its reverse legend as the Incorrupta crown. Neither was adopted. The crown issued from 1818 carried Benedetto Pistrucci's laureate head and his St George and the dragon.
This entry is the silver striking, catalogued as ESC 229. Spink sold one from the Slaney Collection weighing 28.87 g, with a plain edge and struck in medal alignment, describing it as almost uncirculated. No reliable figure for the number struck is published.
The obverse is a laureate and draped bust of George III to the right, signed W. WYON below the shoulder, with GEORGIUS III D:G: BRITANNIARUM REX and the date. Unusually, Spink notes that all the letters and details on both sides are stippled, and Monnaies de Collection describes the matt, grainy relief against mirror fields on a gold example.
The reverse is a scalloped, crowned shield of the royal arms, with the crowned shield of Hanover at its centre, and the legend INCORRUPTA FIDES VERITASQUE, uncorrupted faith and truth.
Collecting notes
As a pattern, this piece never circulated and is judged on its surfaces. Look for marks on the large flat fields and friction on the high points of the bust and crown, and check the stippled texture of the lettering, which should be even. Confirm the plain edge and the medal alignment.
The gold striking of the same design has its own page, the gold Incorrupta pattern. The Royal Mint Museum's list of Wyon's best work names his other 1817 pattern, the Three Graces crown.
Sources
The history, design, varieties and collecting notes on this page are drawn from these sources. Prices come from recorded sales, not from them.
- Auction 15031, The Slaney Collection Part 2, lot 522: George III pattern crown, 1817, by William Wyon, Spink (read 12 Oct 2026)
- George III crown gold trial 'INCORRUPTA', by W. Wyon, proof 1817 (MDC Auction 14, 3 May 2024), Monnaies de Collection, Monaco (read 12 Oct 2026)
- William Wyon, Royal Mint Museum (read 12 Oct 2026)
- Benedetto Pistrucci, Royal Mint Museum (read 12 Oct 2026)
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