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<p>[QUOTE=&quot;John Burgess, post: 4863450, member: 105098&quot;]With improper annealing it really depends as far as color goes. Some do take on a copper color, some take on a grey color towards black like the &quot;black beauty&quot; nickels. Some are light, some are dark. It all depends on the situation, what the contaminant is in the annealing process and how long it was there for. I believe the color has to do with copper or nickel dust in the annealing chamber and slack annealing chamber cleaning practices at some points, while other instances possibly coins left behind and annealed twice without a cleaning step, also possibly left to run too long. Improper annealing is an all encompassing term for anything that goes wrong in the annealing step, the causes can be many.</p><p><br /></p><p>And old coins tone just as fast as new coins given the right conditions for toning. The fact is the old coins have been cleaned/dipped in most cases or simply stored in proper conditions to inhibit toning and left alone there.</p><p>A 100+ year old silver coin shouldn&#039;t be blast white. If you look at pictures of the top rarest collections of the most known collectors they all have original, toned surfaces. None of their coins look like they were just minted yesterday. We didn&#039;t have the conservation and anti toning methods we do now back then. Felt lined wood cabinets, and sulfur coated paper holders and envelopes, then vinyl flips... most all older coins you see have been dipped if they aren&#039;t toned. The fad in the hobby of having untoned coins is why so many have been dipped.</p><p><br /></p><p>Doesn&#039;t mean it&#039;s bad, depends on how it was done, just saying an old coin should have toning, its the natural progression, unless it&#039;s been held in a desert cave in a jar with the dead sea scrolls.[/QUOTE]</p><p><br /></p>

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