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<p>[QUOTE=&quot;GDJMSP, post: 517264, member: 112&quot;]Over the years we&#039;ve discussed this on numerous occasions. Even had one of the members post microscope pics of the surfaces of various coins&nbsp; after one of our discussions because I disagree with the acid bath theory. And if you think about it it makes perfect sense because 98% or more of the surface of a planchet is totally changed and altered the moment it is struck because of the metal flow. And it is the metal flowing across the dies that creates what the final surface of the coin looks like - not how the planchets were prepared.</p><p><br /></p><p>If you look very closely at the surface of a Morgan and compare it to a Peace you&#039;ll see very readily that they are quite different. The Morgan has a much more lustrous surface than a Peace. That is because the surface of a Morgan is rougher than the surface of a Peace dollar. This is no mistake or chance happening due to an acid bath. This is because the surfaces of the dies were different. The Peace dollar quite intentionally had a satiny and smoother surface than a Morgan. And the smoother the surface the less readily it tones. And the toning will be quite different.</p><p><br /></p><p>I have tried to illustrate it before, looks like this if the font sizing works - </p><p><br /></p><p>A Morgan looks like this at the microscopic level - </p><p><font size="6"><b>/\/\/\/\/\/\</b></font></p><p><br /></p><p>While a Peace looks like this - </p><p><br /></p><p><font size="3">/\/\/\/\/\/\</font></p><p><br /></p><p>well apparently the sizing doesn&#039;t work, but imagine the /\ lines being twice as tall for the Morgan. This exposes a lot more surface to the air and light on the Morgan than the Peace. Exposure to the air is what causes the toning, and the larger reflective surface to the light is what refracts it and causes the two types of coins to look differently.</p><p><br /></p><p>The difference in planchet preparation may play a small part, but it was the die preparation that has the lion&#039;s share of the reason that Morgans and Peace dollars tone and look so different from one another.[/QUOTE]</p><p><br /></p>

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