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<p>[QUOTE=&quot;Jaelus, post: 2168603, member: 46237&quot;]Thanks. I was surprised how much I learned about the coins by superimposing the images. The clash mark callouts I posted were the ones where I could already see them with the naked eye or a loupe. When I superimposed the images though, I noticed there were quite a few other spots where I could not directly see clash marks, but the toning pattern on the coin had clearly formed along where a clash would have occurred. Take the reverse on the 1833 quarter for example. I never would have noticed it without the superimposed obverse, but the reverse has a toning line within the beak that corresponds exactly to the edge of the clasp ribbon. There are several points on that coin just like that one where I had not previously considered there to have been a clash mark.[/QUOTE]</p><p><br /></p>

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