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<p>[QUOTE=&quot;yakpoo, post: 1255648, member: 18157&quot;]I would keep it!!</p><p><br /></p><p>A couple of years ago (2009), someone on CT complained about a&nbsp; substandard proof set they received. They were going to return it until I&nbsp; made a few comments and offered to trade him a nice set for the one he&nbsp; had...an offer I&#039;m glad to extend to you (postage paid). The Johnson&nbsp; coin you have looks pretty crappy, but the Grant coin is intriguing.</p><p><br /></p><p>Here&#039;s the &quot;stock&quot; photo I used for comparison in the 2009 post...</p><p><br /></p><p><img src="http://i664.photobucket.com/albums/vv10/Yakpoo/test/state-quarter-puerto-rico-proof-Rev.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><b>The frosting on half of the upper flower was missing on the OPs coin. </b>There&nbsp; was a big change to the method the Mint uses to create the frosted&nbsp; devices on Proof coins...beginning in 2004 (sparingly) and (in general) by 2006. Prior to 2004-2006, the frosted devices were made by&nbsp; sandblasting the devices. Frosting is now produced with a...</p><p><br /></p><p><img src="http://i79.photobucket.com/albums/j130/NWltr450/dr_evil_laser.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><span style="color: #ff0000"><b><font size="7">...Laser!</font></b></span></p><p><br /></p><p>Laser frosting errors are brand new and I haven&#039;t seen very many. Coin World has shown a few, but not many. </p><p><br /></p><p><b>So,&nbsp; what does laser frosting have to do with your coins? ...nothing&nbsp; really. </b></p><p><br /></p><p>The point is that <font size="2">&quot;if&quot;</font> your proof Grant coin is pure copper, only&nbsp; (missing the manganese-brass outer coating), that could be a <b><span style="color: #ff0000">significant&nbsp; </span></b>error. Maybe not, but I would check it out first.</p><p><br /></p><p><br /></p><p><b>EDIT: </b>I found the post...of the laser error.</p><p><br /></p><p><a href="http://www.cointalk.com/t69578/" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/t69578/">http://www.cointalk.com/t69578/</a>[/QUOTE]</p><p><br /></p>

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