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Treasure Hunting
Cleaning Your Finds
Andre's coin cleaning crayons
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<blockquote data-quote="Goldpick" data-source="post: 337199" data-attributes="member: 1695"><p>The crayons are much harder than graphite and leave no residue, on closer inspection ot looks to be made up of fibres with some sort of residue holding them together.</p><p></p><p>Atom, it doesn't actually scratch the copper coins due to the fact that you are only removing soiling and crud down to the patina layer, and not applying abrasives to the actual metal itself. </p><p></p><p>I'm sure if you get too heavy handed on the cleaning, you will eventually wear through the patina to the metal. As mentioned previously, just take it easy on initial cleaning and give the coin a good wipe down and check each time before proceeding any further. Even that half penny has a light patina on it, so extra care was needed to ensure that I didn't go overboard on it.</p><p></p><p>The fact it that unless you have found a key date coin, any coin from the ground isn't going to hold much value unless in pristine condition (extremely rare), hence I have no problem with giving them a clean.</p></blockquote><p></p>
[QUOTE="Goldpick, post: 337199, member: 1695"] The crayons are much harder than graphite and leave no residue, on closer inspection ot looks to be made up of fibres with some sort of residue holding them together. Atom, it doesn't actually scratch the copper coins due to the fact that you are only removing soiling and crud down to the patina layer, and not applying abrasives to the actual metal itself. I'm sure if you get too heavy handed on the cleaning, you will eventually wear through the patina to the metal. As mentioned previously, just take it easy on initial cleaning and give the coin a good wipe down and check each time before proceeding any further. Even that half penny has a light patina on it, so extra care was needed to ensure that I didn't go overboard on it. The fact it that unless you have found a key date coin, any coin from the ground isn't going to hold much value unless in pristine condition (extremely rare), hence I have no problem with giving them a clean. [/QUOTE]
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Treasure Hunting
Cleaning Your Finds
Andre's coin cleaning crayons
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