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<p>[QUOTE=&quot;Numbers, post: 436344, member: 11668&quot;]The problem is that it looks for all sorts of kinds of mathematical uniqueness, some of which collectors don&#039;t typically care about (like whether the number is prime); and it doesn&#039;t check for some things collectors *do* care about, either (like the fact that this note is a zero-progressive).&nbsp; It&#039;d be useful if somebody with the necessary know-how would whip up a similar site that would *really* tell you how interesting a serial number is from a collector perspective.</p><p><br /></p><p>But, yes, this particular serial number is quite interesting indeed.&nbsp; Nice find!&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie6" alt=":cool:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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