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My issue with TPGs red-brown (RB) designation on copper coins
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<p>[QUOTE="wxcoin, post: 7808111, member: 74624"]I agree that computer software could be developed to generate a more consistent grade. I wrote a lot of image processing software for weather radar applications before I retired. AI has really evolved over the past couple decades. That said, there are some issues that may make it a challenge; i e., cleaned coins. Also, coins do tone in holders after they are graded; some more so than others. Theoretically, the numeric grade shouldn't change but not necessarily the description. In the real world, human graders don't see most coins the same and within the grading pool there's most likely considerable turnover. We all know that grading standards have changed over time. I'm sure that computer software and imaging techniques will change as well so a computer generated grade today may not match one 20 years from now. We live in an imperfect world where change seems to be the norm.[/QUOTE]</p><p><br /></p>
[QUOTE="wxcoin, post: 7808111, member: 74624"]I agree that computer software could be developed to generate a more consistent grade. I wrote a lot of image processing software for weather radar applications before I retired. AI has really evolved over the past couple decades. That said, there are some issues that may make it a challenge; i e., cleaned coins. Also, coins do tone in holders after they are graded; some more so than others. Theoretically, the numeric grade shouldn't change but not necessarily the description. In the real world, human graders don't see most coins the same and within the grading pool there's most likely considerable turnover. We all know that grading standards have changed over time. I'm sure that computer software and imaging techniques will change as well so a computer generated grade today may not match one 20 years from now. We live in an imperfect world where change seems to be the norm.[/QUOTE]
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My issue with TPGs red-brown (RB) designation on copper coins
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