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<p>[QUOTE=&quot;Paul M., post: 2171973, member: 73165&quot;]There&#039;s no point in using a 15x loupe for anything other than authentication.&nbsp; At 15x, your field of view is about the size of a mint mark, or so.&nbsp; Hairlines that are visible at 15x but not visible at 5x just plain don&#039;t count.&nbsp; Even TPG graders don&#039;t use more than 5x for grading.</p><p><br /></p><p>I haven&#039;t heard of PCI slabbing cleaned coins on any large scale.&nbsp; Overgrading by a point or 2, maybe, but not putting cleaned coins in problem-free holders.&nbsp; And, even non-cleaned coins can have a few hairlines here and there.&nbsp; They&#039;re grade-limiting, and you&#039;ll see them more often on mirror proof coins (because they&#039;re easier to see), but a couple hairlines won&#039;t keep a coin from grading 65.</p><p><br /></p><p>Basically, with hairlines, if you can&#039;t see them with the naked eye while rotating the coin under strong light, they don&#039;t really count.&nbsp; They will lower the grade, but unless the coin has obviously been wiped (which will look like large areas of hairlines all going in the same direction), it wouldn&#039;t be considered a &quot;problem&quot; per se.&nbsp; And put away the stinkin&#039; loupe.[/QUOTE]</p><p><br /></p>

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