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<p>[QUOTE=&quot;smallaxe, post: 1931827, member: 13430&quot;]There is an online tool ( <a href="http://retroreveal.org" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://retroreveal.org" rel="nofollow">http://retroreveal.org</a> ) that stamp collectors use to bring out details of faint postmarks and similar things. You upload an image and it generates a bunch of variations of the image that may reveal things that are hidden. It could be useful for painting signatures. </p><p>Here&#039;s the site on a page that shows an example of the results.</p><p><a href="http://retroreveal.org/images/ss/47020" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://retroreveal.org/images/ss/47020" rel="nofollow">http://retroreveal.org/images/ss/47020</a>[/QUOTE]</p><p><br /></p>

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