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<p>[QUOTE=&quot;The_Cave_Troll, post: 397147, member: 1674&quot;]The easiest way is to put the coin in the seat of a sofa, then take the sofa outside and set it on fire.&nbsp; This will tone the coin black which exactly mimics the color coins naturally tone when they have been in a building fire.</p><p><br /></p><p>All kidding aside, you are asking a taboo question.&nbsp; Intentionally toning a coin permanently alters the surface of it and if it is not very expertly done it is fairly easy to detect that the coin is altered as long as one is a competent numismatist.&nbsp; </p><p><br /></p><p>If you like toned coins just buy them already toned or find a skilled doctor to apprentice under.&nbsp; The latter is the way most doctors begin, but it is fairly difficult to find one willing to take an apprentice because each develops their own process to one degree or another and their biggest risk factor is that they will over-saturate the market with their product and the services will begin to recognize their specific look and start bagging everything they do.&nbsp; That would shut them down, so they really have no desire to proliferate their methods to new doctors.[/QUOTE]</p><p><br /></p>

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