Understanding UK Coin Grades: From Poor to Mint State

My grandmother kept a biscuit tin under her bed. Inside it, wrapped in a scrap of chamois leather, was a 1953 coronation crown — a large, heavy coin that had been given to her as a child to mark the Queen’s accession. She had no idea it was worth anything. Neither, for most of my early life, did I. It was just a coin in a tin, sitting there in the dark for decades.

When she passed, that coin came to me. I took it to a dealer on the Portobello Road in London, and the first thing he did — before looking at the date, before checking the denomination, before saying a single word about its history — was hold it up to the light at a specific angle and squint at it. He was grading it. He was trying to understand how much of its original detail survived.

He told me it was About Fine. Not great, but not nothing either. That was my introduction to coin grading, and I have been fascinated by it ever since. If you are just starting out in UK coin collecting, grading is the single most important skill you will need to develop. Every price guide, every dealer catalogue, every auction listing at Baldwin’s or Spink assumes you understand what the grades mean. Without that knowledge, you are working blind.

This article will walk you through the full grading scale as it applies to British coins, explain what each grade actually looks like in practice, and give you actionable guidance on how to start assessing coins yourself.

Why Grading Matters More Than You Think

The difference in value between one grade and the next can be startling. Take a George V florin from 1921. In Fine condition, you might pick one up at a coin fair in Birmingham or York for a few pounds. The same coin in Extremely Fine might fetch thirty or forty pounds. In Uncirculated condition with full original lustre, it could command considerably more at auction. Same coin, same year, same mint. The only variable is condition.

This means that buying a coin described as “nice old silver” from a car boot sale without understanding grade is a gamble. You might be getting a bargain or you might be overpaying for something heavily worn. Grading gives you the vocabulary and the visual framework to make an informed judgement. It also protects you when you come to sell — a coin you can accurately describe and evidence will always attract more serious buyers.

It is also worth knowing that grading is, to some degree, subjective. Two experienced dealers can look at the same coin and disagree by a grade. That is normal. What you are building is not a perfect machine for classifying metal, but a reliable eye that lands in the right territory consistently.

The British Grading Scale

The UK grading system has its own terminology, which differs slightly from the American Sheldon numerical scale you may have encountered online. While services like PCGS and NGC use numbers from 1 to 70, British dealers and auctioneers traditionally use descriptive terms. You will sometimes see hybrid descriptions in modern auction catalogues — things like “EF45” — but the words remain the primary language of the trade in Britain.

Here is the scale, running from worst to best:

1. Poor (P) — The coin is identifiable as a type, but barely. The date may be absent or only partially readable. The design is almost entirely flat. These coins have essentially no collector value beyond filling a hole in a type set, and even then most collectors would rather wait for better. A Poor coin is one that has been through the wars — dragged across gravel, used as a washer, buried for a century. You will not pay much for one, and you should not.
2. Fair (F) — A step above Poor, but still heavily worn. The major design elements are visible and the date is readable, though often weakly struck. Legends around the edge are frequently incomplete. Fair coins are primarily useful to beginners building inexpensive type sets or to specialists pursuing coins where anything better is essentially unobtainable.
3. About Good (AG) — Slightly better than Fair, with most of the design visible and the date clearly legible. Still heavily worn, with flat high points and little remaining detail. The monarch’s portrait on a Victorian penny in this grade, for example, will show the outline of the head and the general shape of the crown, but very little hair or facial detail.
4. Good (G) — This grade causes endless confusion for beginners because in everyday English, “good” sounds positive. In grading terms, it is not. A Good coin is heavily worn. The design is clear and all legends are readable, but the high points — the tops of lettering, the fine lines in hair, the relief on portraits — are completely flat. It is the baseline of collectability for most series.
5. Very Good (VG) — Here the wear is still significant, but design elements are more visible. On a Victorian shilling graded Very Good, you would see the broad outline of the Queen’s portrait, some definition in the hair, and readable legends with reasonable clarity. The reverse design — typically Britannia or a crowned shield — would show its main elements but with smoothed, worn high points.
6. Fine (F or Fine) — Fine is often described as the minimum grade for a coin to be considered “collectable” in the traditional sense. The high points are worn but you can see them. On a George III halfcrown graded Fine, the King’s profile shows hair detail, the laurel wreath has visible leaves, and the reverse retains most of its intended design. It is the grade that my grandmother’s coronation crown fell into — lived-in and honest-looking, but still a pleasure to handle.
7. Very Fine (VF) — Now things get genuinely attractive. A Very Fine coin has light to moderate wear on the high points only. The portrait is sharp, the legends are crisp, and only the very tops of the relief — the highest curls of hair, the peak of a crown, the centre of a shield boss — show any flattening. Most of the coin’s original detail is present and clear. Buying at Very Fine is often a sensible strategy for beginners: the coins are beautiful, identifiable, and priced well below the premium grades.
8. Extremely Fine (EF or XF) — Only the slightest wear, and only on the very highest points of the design. Under a loupe or good magnification, you can see trace rubbing on, say, the cheekbone of a monarch’s portrait or the uppermost feathers of a crowned eagle. The fields — the flat background areas of the coin — are largely untouched. Lustre, if the coin originally had it, may still be partially present around the protected areas near the design. An Extremely Fine Victorian penny with original red-brown colour is a genuinely beautiful thing.
9. About Uncirculated (AU) — This grade is sometimes written as “Almost Uncirculated” in American parlance. The coin has barely been in circulation — perhaps it was handled briefly in a shop in 1890 and then put away. The high points show the faintest possible trace of friction, barely perceptible without magnification. Much of the original mint lustre remains. At this grade, the coin’s value rises sharply, and authentication becomes more important, as AU coins can be artificially toned or cleaned to mask wear.
10. Uncirculated (UNC or MS) — No trace of wear whatsoever. The coin has never passed from hand to hand in commerce. That said, Uncirculated is not a single fixed state — there is enormous variation within it. A coin can be Uncirculated but heavily bag-marked from contact with other coins in a mint bag. It can be Uncirculated but weakly struck, with soft details. The best Uncirculated coins — those with full original lustre, strong strikes, and no contact marks — are sometimes described as “Gem Uncirculated” or “FDC” (Fleur de Coin), which is the absolute pinnacle of the scale.

Mint State and the FDC Standard

Fleur de Coin is a French term that has been used in British numismatics for generations. It refers to a coin in perfect, pristine condition — as struck, with no post-mint handling marks, no die polish lines visible to the naked eye, and full brilliant lustre. True FDC coins are rare outside of proof issues and specially preserved sets. When dealers at Spink’s London saleroom or at the London Coin Fair on Bloomsbury Street describe a coin as FDC, they mean it in the strictest sense. Beginners should be cautious about the term when they encounter it casually at fairs or online — it is sometimes used loosely to mean “looks very nice.”

Modern Royal Mint collector coins — the commemorative issues sold directly through the Royal Mint website and their Experience centre in Llantrisant, Wales — are typically sold as Proof or Brilliant Uncirculated (BU). Proof coins are struck multiple times with polished dies onto polished blanks, producing mirror-like fields with frosted devices. Brilliant Uncirculated coins are business-strike quality but selected for their superior surface condition. Neither
has been placed into general circulation, meaning both retain their original lustre and are free from the contact marks and wear that accumulate on coins handled in everyday commerce. Collectors should be aware, however, that even these pristine issues can suffer hairlines or minor blemishes during improper storage or handling, which may affect their grade if submitted to a third-party grading service.

Third-party grading services — most notably the American firms PCGS (Professional Coin Grading Service) and NGC (Numismatic Guaranty Company), both of which grade British coins — encapsulate coins in sealed, tamper-evident plastic holders commonly called “slabs.” Each slab displays a numerical grade on the Sheldon scale, which runs from 1 (Poor) to 70 (perfect Mint State). A coin graded MS-65, for instance, is considered a Gem Uncirculated example with only minimal contact marks visible under magnification. While some British collectors remain sceptical of the American-originated grading system, slabbed coins have become increasingly prevalent in the UK market, and auction houses such as Spink, DNW, and Baldwin’s regularly handle certified examples. Understanding what a grade of, say, EF-45 or AU-58 actually means on a Victorian crown or a pre-decimal halfcrown can make a considerable difference to what a collector is willing to pay.

It is worth noting that traditional British grading terminology — Fair, Fine, Very Fine, Extremely Fine, and Uncirculated — does not map precisely onto the Sheldon numerical scale, and different dealers may interpret the boundaries between grades slightly differently. A coin described as “GVF” (Good Very Fine) by one specialist might be called “NEF” (Nearly Extremely Fine) by another. For this reason, buying from reputable dealers who offer clear return policies, and studying reference works such as Spink’s Coins of England and the United Kingdom, remains the soundest approach for any collector building a serious collection.

Understanding coin grades, whether expressed in the traditional British descriptive system or the numerical Sheldon scale, is fundamental to collecting intelligently. A clear grasp of grading allows collectors to assess asking prices honestly, compare like with like across different sources, and avoid paying a premium for a coin that does not meet the condition described. It is a skill built gradually through handling coins, studying images, and consulting experienced dealers — but the effort invested pays dividends at every stage of a collection’s growth.