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<p>[QUOTE="physics-fan3.14, post: 3006959, member: 19165"]Same way they do diamonds. Every diamond certified has a tiny number engraved on the girdle which corresponds to the certificate. You can't see it unless you're looking for it, and its completely hidden. You could very easily do the same thing on the edge, especially hiding it in the reeding for applicable coins. Now, I don't recommend this of course, but it answers your question.</p><p><br /></p><p>As for the computer imaging - it would do well for recognizing coins which had been submitted, and it would help with identifying counterfeits quickly against known examples.</p><p><br /></p><p>However, the next progression is "Well, why can't we just have the computer grade the coin?" [USER=24633]@cpm9ball[/USER] has already mentioned it in this thread, although everyone passed by his comment. There has also been a TPG that attempted to use this method (albeit 20 years ago, before technology was advanced as it is).</p><p><br /></p><p>The problem is, a computer can never evaluate the eye appeal, or the attractiveness of the luster. A computer can count the number of marks, a computer can use a meter to gauge the quality of luster, a computer can evaluate the strike as compared to a perfect strike (it can even account for die marriage differences.) A computer can get every single attribution correct every time, knowing every die crack and star position and whatnot.</p><p><br /></p><p>What a computer can never do, however, is synergize all this into a grade as we understand it today. Remember, we market grade - we grade on a curve, based on eye appeal. There is a subjective quality to grading that a computer will never understand - it's like art appreciation. You can program a computer to analyze brush strokes and color, but it will never understand why the Mona Lisa is so amazing, or understand why Van Gogh moves people to tears. It will never understand why a magnificently toned Battle Creek is worth more, and is thus graded higher, than an average toned Morgan.</p><p><br /></p><p>That is why there is a certain amount of science to grading, but there is also a significant amount of art to it. And that is why a computer will never be able to accurately grade coins according to our current standards and scheme.[/QUOTE]</p><p><br /></p>
[QUOTE="physics-fan3.14, post: 3006959, member: 19165"]Same way they do diamonds. Every diamond certified has a tiny number engraved on the girdle which corresponds to the certificate. You can't see it unless you're looking for it, and its completely hidden. You could very easily do the same thing on the edge, especially hiding it in the reeding for applicable coins. Now, I don't recommend this of course, but it answers your question. As for the computer imaging - it would do well for recognizing coins which had been submitted, and it would help with identifying counterfeits quickly against known examples. However, the next progression is "Well, why can't we just have the computer grade the coin?" [USER=24633]@cpm9ball[/USER] has already mentioned it in this thread, although everyone passed by his comment. There has also been a TPG that attempted to use this method (albeit 20 years ago, before technology was advanced as it is). The problem is, a computer can never evaluate the eye appeal, or the attractiveness of the luster. A computer can count the number of marks, a computer can use a meter to gauge the quality of luster, a computer can evaluate the strike as compared to a perfect strike (it can even account for die marriage differences.) A computer can get every single attribution correct every time, knowing every die crack and star position and whatnot. What a computer can never do, however, is synergize all this into a grade as we understand it today. Remember, we market grade - we grade on a curve, based on eye appeal. There is a subjective quality to grading that a computer will never understand - it's like art appreciation. You can program a computer to analyze brush strokes and color, but it will never understand why the Mona Lisa is so amazing, or understand why Van Gogh moves people to tears. It will never understand why a magnificently toned Battle Creek is worth more, and is thus graded higher, than an average toned Morgan. That is why there is a certain amount of science to grading, but there is also a significant amount of art to it. And that is why a computer will never be able to accurately grade coins according to our current standards and scheme.[/QUOTE]
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