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<p>[QUOTE=&quot;coinman0456, post: 642053, member: 18177&quot;]If one proclaims to be qualified to determine the difference between AT/NT, they certainly cannot do it simply by looking at a picture. It requires a degree in chemistry as well as many years of experience in the study of metallurgy. Now those individuals may be able to offer an educated guess, at best. Coin in hand is the only way anyone with those credentials would assume to offer an expert opinion. When we ( myself included ) are presented with a piece in a forum to offer an opinion on, we are simply stroking our own ego&#039;s, as most of us I will assume do not hold those degrees or experience in that field of study as it pertains to this discussion.[/QUOTE]</p><p><br /></p>

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