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<p>[QUOTE=&quot;satootoko, post: 23809, member: 669&quot;]Hi Lisa and welcome to the forum.</p><p><br /></p><p>You probably have a coin which has been artificially altered by partially gold plating it or otherwise coloring one side; but you may have a coin which has tarnished* on only one side, perhaps from being stored for a long time on some type of surface which chemically reacted with the copper-nickle coin metal.&nbsp; That type of tarnish is unlikely to affect the high and low parts of a design evenly, which is why I lean toward the plating/colorizing theory.</p><p><br /></p><blockquote><p><i>*Yes, I know the Politically Correct term is &quot;toned&quot;, but when metal is discolored by chemical reaction with something else, that&#039;s <b>tarnish</b> in every dictionery I own. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie9" alt=":eek:" unselectable="on" unselectable="on" /> </i></p></blockquote><p>[/QUOTE]</p><p><br /></p>

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