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<p>[QUOTE="clayirving, post: 1487176, member: 18867"]The EURion Constellation plays a small part, if any at all. It is my understanding that the EURion Constellation is a older (mid-1990's) deterrent primarily for color photocopy machines. It's only needed on one side if you're trying to counterfeit notes on a copy machine.</p><p><br /></p><p>Neither the front or back of this $50 note can be scanned on a scanner that recognizes CDS, and the EURion Constellation is only on the back of the note. </p><p><img src="http://www.panix.com/~clay/currency/2128-star-001.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>See: <a href="http://www.cl.cam.ac.uk/~sjm217/projects/currency/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.cl.cam.ac.uk/~sjm217/projects/currency/" rel="nofollow">Software Detection of Currency</a>[/QUOTE]</p><p><br /></p>
[QUOTE="clayirving, post: 1487176, member: 18867"]The EURion Constellation plays a small part, if any at all. It is my understanding that the EURion Constellation is a older (mid-1990's) deterrent primarily for color photocopy machines. It's only needed on one side if you're trying to counterfeit notes on a copy machine. Neither the front or back of this $50 note can be scanned on a scanner that recognizes CDS, and the EURion Constellation is only on the back of the note. [IMG]http://www.panix.com/~clay/currency/2128-star-001.jpg[/IMG] See: [URL="http://www.cl.cam.ac.uk/~sjm217/projects/currency/"]Software Detection of Currency[/URL][/QUOTE]
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