mike
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NGC to Feature my Toned collection in a print Ad!!
mike replied to kryptonitecomics's topic in Coin Forum
congrats! You're famous!!!!!!!!!! -
Not being an expert or really smart about this subject but the toning look very uniform across all the coins.
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When I was in high school (a very long time ago) the teacher shatter a grape and a rose by immersing the in liquid nitrogen first. The sounded like glass when they broke and then when they defrosted, they were back to normal. So I imagine that metal will have the same results.