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<p>[QUOTE="Lehigh96, post: 669499, member: 15309"]The toning is simply a result of the chemical reaction between the surface of the coin and the chemical applied to the surface of the coin. The end product is the same silver sulfide that occurs naturally. However, NT coins obtain their toning by being in contact with a toning source (usually something with sulfur content) and the reaction takes place via air transfer. Once the coin is removed from the toning source and stored properly, the oxidation process slows to a rate that makes further toning undetectable. When a coin is subjected to a chemical on it's surface, the oxidation will continue to occur unless the chemical has been completely removed from the surface of the coin. What these people think is pretty, might not look the same next year.</p><p><br /></p><p>Just in case anyone doubts this can happen, please take a look at the following photographs. The first is the sellers photo which is predominantly pink with blue highlights. Even though the photo is juiced, the coin was predominantly pink. The second photo is what the coin looks like now. The pink which is first in the progression is all but gone.</p><p><br /></p><p><img src="http://i117.photobucket.com/albums/o59/ACPitBoss/Franklin%20Half%20Dollars/FranklinHalfDollar1963ATbeforeandaf.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>I really hope people are not paying this guy big premiums for his junk silver.[/QUOTE]</p><p><br /></p>
[QUOTE="Lehigh96, post: 669499, member: 15309"]The toning is simply a result of the chemical reaction between the surface of the coin and the chemical applied to the surface of the coin. The end product is the same silver sulfide that occurs naturally. However, NT coins obtain their toning by being in contact with a toning source (usually something with sulfur content) and the reaction takes place via air transfer. Once the coin is removed from the toning source and stored properly, the oxidation process slows to a rate that makes further toning undetectable. When a coin is subjected to a chemical on it's surface, the oxidation will continue to occur unless the chemical has been completely removed from the surface of the coin. What these people think is pretty, might not look the same next year. Just in case anyone doubts this can happen, please take a look at the following photographs. The first is the sellers photo which is predominantly pink with blue highlights. Even though the photo is juiced, the coin was predominantly pink. The second photo is what the coin looks like now. The pink which is first in the progression is all but gone. [IMG]http://i117.photobucket.com/albums/o59/ACPitBoss/Franklin%20Half%20Dollars/FranklinHalfDollar1963ATbeforeandaf.jpg[/IMG] I really hope people are not paying this guy big premiums for his junk silver.[/QUOTE]
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