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<p>[QUOTE="tommyc03, post: 3214492, member: 17665"]When the extra mint mark is flat and shelf like it's like I said above. There was some chatter in the coining chamber that caused this. A true doubled mint mark comes from the hubbing process, which is not what this is. A true doubled die is hub doubled, not strike doubled. There is a lot of good info on both of these terms on <a href="http://www.doubleddie.com" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.doubleddie.com" rel="nofollow">www.doubleddie.com</a>. When it's faulty machine problems these are not errors, just sloppy coin making.[/QUOTE]</p><p><br /></p>
[QUOTE="tommyc03, post: 3214492, member: 17665"]When the extra mint mark is flat and shelf like it's like I said above. There was some chatter in the coining chamber that caused this. A true doubled mint mark comes from the hubbing process, which is not what this is. A true doubled die is hub doubled, not strike doubled. There is a lot of good info on both of these terms on [URL='http://www.doubleddie.com']www.doubleddie.com[/URL]. When it's faulty machine problems these are not errors, just sloppy coin making.[/QUOTE]
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