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<p>[QUOTE=&quot;Morgan, post: 68854, member: 3630&quot;]If you think you have found a double die than the first thing you need to do is get a 10X or higher loupe. This should allow you to view the coin with sufficient magnification to determine if a type of doulbling has occured. I also sugest learning how to take digital pictures of the coin area in question. By using magnification and a camera with a macro setting you can get really good digital picture which when transfered to the cpu can be enlarged to better show the error.</p><p><br /></p><p>The next step is to determine the actual doubling type. If you look at my avitar you can see an example of Strike Doubling. Strike Doubling is also refered to as Machine doubling, and it is characterized by a flattened doubling image. Notice how the second image is flat compared to the actual lettering. </p><p>&nbsp;</p><p>Another common doubling type is called Die Deterioration Doubling which gives the Letter or number a doubled appearance but this appearance is due to the shoulder of the die around the leter/number being damaged though use. This doubling results in an undefined or fuzzy doubling which is usually not uniform in nature.</p><p>&nbsp;</p><p>A true Die Doubling shows two images. The first image is the normal image as usually observed on the coin the second image is characterized by the pressence of all or part of the immage which has been etched into the die. This results in a second ghost like image of that part of the coin which is slightly off set from the full image and has all the intended relief of that part. This means a doubled date would show rounded doubled numerals which were just as tall as the other numerals. These are the ones that are worth money.</p><p>&nbsp;</p><p>If you believe you have one of these post a pic. Also check a coin book to see if it lists a known error for that coin. Search the internet for the year, mm, and error of you coin. This may yeild example pictures. Lastly have a dealer that you trust check it out. </p><p>&nbsp;</p><p>If all else fails you could send it to ANACS with a discription of the error you think it has, however I would ask for further advise from other member at this site first.</p><p>&nbsp;</p><p>There are other forms of doubling. I&#039;m sory I can not find a good link for you to look under but I do know that they exist in fact one of the previous threads at thiss form discusses this topic very well. Just search for die doubling.[/QUOTE]</p><p><br /></p>

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