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Does the annealing process effect toning?
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<p>[QUOTE="LostDutchman, post: 999788, member: 16994"]I have a theory. I want to see if it has any scientific basis or if I am just dreaming stuff up. </p><p>I have always wondered why you see far less attractively toned peace dollars then Morgan dollars. I know Morgans spent a lot more time in bank bags and in vaults but there were quite a few 1922 and 1923 peace dollars that sat around as well. It gets me thinking... why so few rainbow peace dollars? I begun thinking of the things that had changed at the US mint between 1904 and 1921... and one of the things that changed was the annealing process. I believe that between 1904 and 1921 the US mint went from wood fired annealing furnaces to gas fired annealing furnaces... but this information could be incorrect (anyone?). Could this change in the annealing process be the explanation for why peace dollars essentially don't rainbow tone? </p><p><br /></p><p>Thoughts?[/QUOTE]</p><p><br /></p>
[QUOTE="LostDutchman, post: 999788, member: 16994"]I have a theory. I want to see if it has any scientific basis or if I am just dreaming stuff up. I have always wondered why you see far less attractively toned peace dollars then Morgan dollars. I know Morgans spent a lot more time in bank bags and in vaults but there were quite a few 1922 and 1923 peace dollars that sat around as well. It gets me thinking... why so few rainbow peace dollars? I begun thinking of the things that had changed at the US mint between 1904 and 1921... and one of the things that changed was the annealing process. I believe that between 1904 and 1921 the US mint went from wood fired annealing furnaces to gas fired annealing furnaces... but this information could be incorrect (anyone?). Could this change in the annealing process be the explanation for why peace dollars essentially don't rainbow tone? Thoughts?[/QUOTE]
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