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<p>[QUOTE=&quot;ToughCOINS, post: 1758865, member: 20480&quot;]I am not presently able to see the images you have uploaded, but assume the toning looks contrived. </p><p>&nbsp;</p><p>While I do not doubt your claim, I can attest to the ability of coins to tone in holders without the introduction of any catalyst at all . . . even in new holders. </p><p>&nbsp;</p><p>I bought a white NGC MS65 Sesqui 50c in the Heritage FUN auction back in January, and it has since taken on a lot of dark toning round the rims on both sides.&nbsp; This is a brand new edge-view holder, so that dispells any notion that the material in an older slab would be responsible for the toning.</p><p>&nbsp;</p><p>I suspect the Sesqui was toned before dipping and submission to NGC, and that the holder does little to inhibit oxidation of the silver all over again.&nbsp; The coin is likely predisposed to retoning in the same pattern it originally had.</p><p>&nbsp;</p><p>If I think of it tonight, I&#039;ll shoot and post new photos of the coin for comparison against those taken in January.[/QUOTE]</p><p><br /></p>

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