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<p>[QUOTE="dreamer94, post: 281961, member: 6449"]See Oct 8th <i>Coin World</i>. There's an article by Eric von Klinger entitled "No such thing as 'uncleaning' coins" because any kind of abrasive cleaning actually removes metal from the coin. von Klinger says that the "battleship grey" tone is due to metal flow lines from die striking which can't be reproduced if they are disturbed. </p><p><br /></p><p>Cleaned coins can be retoned, but the surface cannot be restored.[/QUOTE]</p><p><br /></p>
[QUOTE="dreamer94, post: 281961, member: 6449"]See Oct 8th [I]Coin World[/I]. There's an article by Eric von Klinger entitled "No such thing as 'uncleaning' coins" because any kind of abrasive cleaning actually removes metal from the coin. von Klinger says that the "battleship grey" tone is due to metal flow lines from die striking which can't be reproduced if they are disturbed. Cleaned coins can be retoned, but the surface cannot be restored.[/QUOTE]
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Restoring Cleaned Coins
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