Top 10 Most Important Grading Tips
With the advent of independent third-party certification, many coin buyers and sellers thought all their grading worries were over.
No longer would they have to scrutinize each coin they bought and sold to determine its level of preservation. No longer would they need to concern themselves with grading pointers, grading tips, grading advice–these mattered now only to the experts at the leading certification services.
From now on, all Mint State-65 coins would be created equal, as long as they got those grades from the Professional Coin Grading Service (PCGS), the Numismatic Guaranty Corporation of America (NGC) or ANACS.
In short, buyers and sellers no longer would need to think for themselves and exercise their own common sense. This is not entirely true.
Certification services have made–and are continuing to make–tremendous contributions to standardizing and stabilizing coin-grading standards. In the process, they have dramatically reduced the risk that buyers might suffer significant financial loss because they purchased coins that were overgraded.
But certification services aren’t infallible. And though they strive mightily for consistency, they–like the coins they grade–inevitably fall short of total perfection. Some coins graded Mint State-65 by PCGS, NGC or ANACS are indeed better than others; some might even qualify as Mint State-66. Others, by contrast, might get a lower grade if broken out of their holders and resubmitted.
Over a period of time, subtle shifts in standards or in their application can result in the existence of whole groups of coins that are undergraded or overgraded relative to the rest of the coins from a given grading service.
For example, in 1994, David Hall, founder and president of PCGS, admitted on my radio program–a weekly talk show called One-Hour Coin Expert–that during its early years, his company was reluctant to assign the grade of Mint State- or Proof-68. He candidly agreed that a number of the coins graded Mint State- or Proof-67 by PCGS during that early period might well receive a grade of 68 if submitted today. And that could increase their current market value by many thousands of dollars.
Just because a coin is in a holder and just because that holder carries a grade assigned by a certification service, there’s no reason why you–as a buyer or seller–can’t and shouldn’t resubmit that coin to your own personal grading service … your own common sense and your own store of knowledge … and render an expert judgment of your own.
Knowledge is more than power; in the case of rare coins, it also can mean enormous profit.
With that in mind, here’s my personal list of the top 10 coin-grading tips of all time:
(1) Check the high points for wear.
Even if a grading service certifies a coin as Mint State-63, that doesn’t mean it won’t come back with a lower grade–possibly even AU-58–if you resubmit it. A coin should stand on its own merits; you should buy it for itself and not for the plastic.
Look at the very highest points of the coin. If they’re lighter in color than the rest of the coin, or if you see friction, the coin may not be mint-state; it may be about uncirculated.
Telltale signs of wear are indicated by the color of the high points. On coins made of copper, the high points after friction are dark brown. On coins made of nickel, the high- point color after friction is dark gray. On coins made of silver, the color is dull gray. And on coins made of gold, the high-point color after friction is dull, dark gold. (more…)

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The designer, Christian Gobrecht was of German ancestry, and was born in Pennsylvania in 1785, and early in his life he showed an interest and talent for artistic and engraving work. He perfected his talent when he worked for a clockmaker at the usual tender age by putting his engraving skills in ornamental designs put on watches. In 1811, he moved to Philadelphia, and after that he soon began to work for a bank-note firm. As early as 1816 his name was well known in engraving circles and he seems to have begun his die engraving work about this time, although there are no signed medals until the mid-1820s. When the mint’s engraver Robert Scot died in November 1823, Gobrecht was already well enough known to become a temporary replacement. Unfortanly for him, he was turned down in favour of William Kneass, who had better connections (which was very important at that time). The chief engraver received a salary of $1200 per annum (year) and Gobrecht thought even this amount was barely acceptable. Despite losing the top prize and turning down the assistantship, Gobrecht maintained a connection with the Mint in several ways. Not only did he make letter and figure punches for the engraving department, in 1825 he executed some fine Liberty heads (which again for him) unfortunately were not used on the coinage. 


















