Coin Grading
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Coin Grading

Coin grading[1] is the process of determining the grade or condition of a coin, one of the key factors in determining its value. A coin's grade is generally determined by five criteria: strike, preservation, luster, color, and attractiveness. Several grading systems have been developed. Certification services professionally grade coins for tiered fees.


A "grade" measures a coin's appearance. There are generally five main components which determine a coin's grade: strike, surface preservation, luster, coloration and eye appeal. Grading is subjective and even experts can disagree about the grade of a given coin.[2][1]


U.S. coin grading has evolved over the years to a system of finer and finer grade distinctions. Originally, there were only two grades, new and used. This changed to the letter grading system beginning with the lowest grade - Basal State (also Poor (PO)), then continuing Fair (Fr), About or Almost Good (AG), Good (G), Very Good (VG), Fine (F), Very Fine (VF), Extremely Fine (EF), Almost or About Uncirculated (AU), Uncirculated (Unc) and up to Brilliant Uncirculated (BU). Gem Uncirculated was roughly equivalent in usage to BU at that time. Numerical grades from 1 to 70 now accompany the verbal grades.[3][4][5][6]


Early grading systems

The quality of all coins is not equal and collectors felt the necessity of defining the quality of the coins in order to assess their value. Rim damage, nicks, polishing, cleaning, scratches and other forms of wear are considered factors in grading a coin. Also, if coins have been in some form of jewelry also affects the grading.

In the early years of coin collecting, three general terms were used to grade coins:

  • good - when circulation had worn the surface of the coin, but major details were still visible.
  • fine - when features were less worn and a bit of mint luster showed on the surface. Most major and minor detail visible
  • uncirculated - when the features of the coin were sharp and the luster approaching the state of a new coin at the mint.[7]

Sheldon grading system

As the collector market for coins grew rapidly in the late 19th and early 20th centuries, it became apparent that a more precise grading standard was needed. Some coins were simply more fine than others, and some uncirculated coins showed more luster and far fewer marks than others. Terms like "gem uncirculated" and "very fine" began to see use, as more precise grading descriptions allowed for more precise pricing for the booming collector market.

In 1948, well-known numismatist Dr. William Herbert Sheldon attempted to standardize coin grading by proposing what is now known as the Sheldon Scale. Sheldon's 1 to 70 grading scale[clarify], included in his book "Penny Whimsy", was originally devised for U.S. large cents but it is now applied to all series.[8]

European grading system

European countries use various, roughly equivalent, grading systems. The main features of their systems are presented in the following table:[9]

European Grading System
Adjective Design remaining United
France Spain Italy German-speaking Scandinavia Netherlands Portugal
Good (G-4) 10% G AB (Assez Beau) RC M GE (Gut erhalten) 2 G (Goed) REG
Very Good (VG-8) 25% VG B (Beau) BC B (Bello) SGE (Sehr gut erhalten) 1- ZG (Zeer Goed) MREG
Fine (F-12) 50% F TB (Très Beau) BC+ MB (Molto Bello) S (Schön) 1 Fr (Fraai) BC
Very Fine (VF-20) 75% VF TTB (Très Très Beau) MBC BB (Bellissimo) SS (Sehr schön) 1+ ZF (Zeer Fraai) MBC
Extremely Fine (EF-40, or XF-40) 90% EF/XF SUP (Superbe) EBC SPL (Splendido) VZ (Vorzüglich) 01 Pr. (Prachtig) Bela
About Uncirculated (AU-50) 95% + some luster UNC No use No use MSPL (MoltoSplendido) UNZ− (Fast unzirkuliert) 0-01 No use No use
Mint State (MS-60 to 64) 100% + luster BU SPL (Splendide) SC SPL/FDC UNZ (Unzirkuliert) 0 FDC (Fleur de Coin) Soberba
Mint State (MS-65 to 70) 100% + full luster FDC FDC (Fleur de Coin) FDC FDC (Fior di Conio) STGL (Stempelglanz) 0 FDC FDC (Flor de Cunho)

Certification services

Coin certification services emerged in the 1980s as a response to the need for buyers and sellers to agree on grading.[10] For tiered fees, certification services grade, authenticate, attribute, and encapsulate coins in clear, plastic holders.[11][12]Professional Coin Grading service (PCGS), Numismatic Guaranty Corporation (NGC), Independent Coin Graders (ICG), and ANACS are the most popular services, according to experts. These are the only services whose coins have a special section on eBay, the largest rare coin marketplace. All four firms guarantee the grades and authenticity of their certified coins. Together they have certified over 80 million coins.[13][14][15][16]

At each of the four main grading companies, a similar process is used. Each coin is graded (on a verbal and 1 to 70 numerical scale) and authenticated by two or more graders, and then assigned a final grade by a finalizer, based in part upon the recommendations of the prior graders. Depending on the company, various descriptors may be added, such as Full Bands for Mercury dimes, Full Bell Lines (FBL) for Franklin Half Dollars, or Deep Mirror Prooflike (DMPL) for Morgan dollars, and the coin's die variety may be noted. The coin is then slabbed and returned to the customer.[17][18][19][20] In 2010, PCGS and NGC introduced "Plus" grading for high-end coins graded XF45 to MS68. A plus symbol (+) is added after the grade.[21][22]

In 2007, the Professional Numismatists Guild (PNG), a US association of rare coin dealers, released the results of a survey of major coin dealers who gave their professional opinions about 11 certification services. PCGS and NGC were rated "Superior" overall, with ANACS and ICG deemed "Good". PCI and SEGS were listed as "Poor", while called "Unacceptable" were Accugrade (ACG), Numistrust Corporation (NTC), Hallmark Coin Grading Service (HCGS), American Coin Club Grading Service (ACCGS), and Star Grading Services (SGS).[23][24][25]

Counterfeit NGC and PCGS holders have been reported, but significant measures have been taken by both services to remedy the problem, such as NGC's use of photographic verification for every coin certified and both services' employment of serial number verification and anti-counterfeiting features in their holders.[26][27][28][29]

See also


  1. ^ a b Travers, Scott. "Introduction". Retrieved .
  2. ^ Winter, Doug (2001). "The Five Components of Coin Grading". Archived from the original on 2010-03-08. Retrieved .
  3. ^ "NGC". NGC. Retrieved 2015. Check date values in: |accessdate= (help)
  4. ^ "PCGS Coin Facts". Retrieved .
  5. ^ "ANACS". ANACS. Archived from the original on 2015-03-31. Retrieved .
  6. ^ "ICG". ICG. Retrieved .
  7. ^ Androulakis, Yiannis. "Coin Grading Standards".
  8. ^ Sheldon, William H. (1990). Penny Whimsy. Sanford S. Durst. ISBN 0-942666-62-3.
  9. ^ :"Grading Standards".
  10. ^ "Coin Grading Systems - The History of Coin Grading Scales". Archived from the original on 16 November 2007. Retrieved 2009.
  11. ^ "The History of Rare Coin Grading". Austin Gold Information Network. Archived from the original on 6 September 2009. Retrieved 2009.
  12. ^ "Coin Grading Services: Who They Are and What They Do". Retrieved 2009.
  13. ^ "NGC". NGC. Retrieved 2015. Check date values in: |accessdate= (help)
  14. ^ "PCGS Coin Facts". Retrieved .
  15. ^ "ANACS". ANACS. Archived from the original on 2015-03-31. Retrieved .
  16. ^ "ICG". ICG. Retrieved .
  17. ^ "NGC". NGC. Retrieved 2015. Check date values in: |accessdate= (help)
  18. ^ "PCGS Coin Facts". Retrieved .
  19. ^ "ANACS". ANACS. Archived from the original on 2015-03-31. Retrieved .
  20. ^ "ICG". ICG. Retrieved .
  21. ^ PCGS Secure Plus Service
  22. ^ NGC Launches Plus Designation
  23. ^ "PNG, ICTA Announce Results of 2006 Grading Services Survey". Professional Numismatists Guild. Archived from the original on 2015-09-21. Retrieved .
  24. ^ "NGC". NGC. Retrieved 2015. Check date values in: |accessdate= (help)
  25. ^ "PCGS Coin Facts". Retrieved .
  26. ^ "PCGS Announces". Coin Week. Retrieved .
  27. ^ "NGC Confirms Counterfeit Replica Coin Holders". Coin News. Retrieved .
  28. ^ "NGC". NGC. Retrieved 2015. Check date values in: |accessdate= (help)
  29. ^ "PCGS Coin Facts". Retrieved .

External links

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