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<p>[QUOTE=&quot;Kristine Garrant, post: 8202223, member: 124772&quot;]once again i am a newbie. Hello All!&nbsp; So, in my coin roll hunting I am trying to get the logistics of machine doubling vs. doubled die, RPM vs. post mint damage etc.&nbsp; So, if I could get yall to grade me it would be extremely helpful in this learning process.</p><p><br /></p><p>So, machine doubling happens in the striking process? Whereas doubled die is in the actual die itself? When making the die-- it got moved thus creating another impression? and as far as the visual goes: doubled die will cause an image to increase in size? Whereas the MD will cause the image to be less?&nbsp; Also, could you say that DD are sharper in definition wholly?&nbsp; looking like an image stamped over another, instead of a vibration causing the planchet to jump?&nbsp; Do I have this about right?</p><p><br /></p><p>Now, from a coin going from my kitchen table to a valid picture displayed on this forum has been an ordeal in itself.&nbsp; My patience is about tried with this stupid laptop, Google suggestions, truly not free sites and apps, and downloading programs.&nbsp; LOL.&nbsp; Yes, go ahead and laugh at my inexperience around all tech things, I played with dirt when I was a kid!&nbsp; I haven&#039;t figured out how to add arrows to a pic on my laptop yet so i will just submit these with my take on it.</p><p><br /></p><p>If I could humbly ask for the experts to chime in on my response to these pictures, as to let me know if I might be on the right track to better clarification and learning as far as errors and varieties go, I would be forever thankful!&nbsp; (insert smiley face).</p><p><br /></p><p>And how does one tell DD vs. MD in the columns on the back in the Lincoln Memorial building.&nbsp; I went to a varieties site, AND even with looking at a true depiction of the real thing, I still get confused if what I see in front of me is the same.</p><p><br /></p><p>1st - 6th pic</p><p>ok so is this an RDV-007?</p><p><br /></p><p>7 and 8 (figured out the arrows lol)</p><p>Is this a cud?</p><p><br /></p><p>9,10 and 11</p><p>would be machine doubling?</p><p><br /></p><p>I know it&#039;s not in the greatest condition, but it was easier to find examples to compare to of the Memorial building reverse vs. the shield.</p><p><br /></p><p>Thanks again![/QUOTE]</p><p><br /></p>

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