Coin Grading - Coin Certification Services

A number of North American companies offer third party coin certification services, which include:

Authentication, which determines whether a particular coin is genuine or counterfeit;
Classification as to whether the coin is a Proof, a Specimen, a Business Strike, etc;
Attribution, which correctly identifies the coin's varieties and sometimes its provenance; and
, which is a professional assessment of the coin's condition.

In North America, these days, most important coins are submitted by their owners for certification. This provides them with an independent authentication, classification, attribution and grading assessment recorded on a serial numbered certificate which is sealed with the coin in a tamper-evident plastic holder. This unit is referred to as a "slab" and an uncertified coin is called "raw". The certification services are widely used by collectors and investors who recognize their own grading skills may not be at an expert's level. Dealers also make much use of these services because their clients often demand that their coins be certified. Be aware, however, that between the various Coin Certification Services, there are identifiable areas of disagreement on grading standards, and the knowledgeable market takes these into consideration. The leading coin grading services that grade Canadian coins are with major once in bold.

Coin Certification

Coin Grading Companies

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Coin Certification News
Considering a “Planchet, Die, and Strike” Grading System
the grading system was invented by Rick Snow to combat over-grading and to seek an explanation for the sometimes wide variations in auction results for what is arguably the same coin. Rick Snow is considered the foremost expert on Flying Eagle and Indian ... more info

When did an Indian Head cent with missing letters in LIBERTY become Fine?
and ANA Official Grading Standards are often ignored. Images courtesy of Q. David Bowers. The Joys of Collecting column from Sept. 12, 2016, weekly issue of Coin World: Today, grading is the biggest bugbear in numismatics — the most unsettled ... more info

CoinWeek: We Take the PCGS Coin Grading Challenge! – 4K Video
At the 2016 American Numismatic Association’s World’s Fair of Money in Anaheim, California, CoinWeek Editor Charles Morgan met with PCGS CoinFacts founder and former PCGS President Ron Guth to take the PCGS Grading Challenge. Ron gave Charles 30 ... more info