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<p>[QUOTE="BadThad, post: 1308837, member: 17261"]Cladking....ya know I like you, but I have to disagree about using olive oil (actually, any oil), but OO is bad stuff for coins. It contains all kinds of impurites and the organic acids are corrosive to all metal surfaces. I've seen some pretty good conservation results but I'd argue there's far more bad results out there that we never hear about. I've done my share of experimentation with OO and I've seen some nasty, permanent damage to copper.</p><p><br /></p><p>My advice to collectors: DO NOT USE OILS ON YOUR COINS. I don't care what kind of oil it is, it has no place in the coin world IMO. This includes Coin Care which is 99.99% napthenic oil and odorant. The ONLY reason it's been used is that were few other choices. It's been used for decades (perhaps longer) and collectors have propagated the myth of how great it is for coins, that doesn't mean it's right. Sure, oiled coins look nice and shinny and great...until that oil is removed and the REAL coin is exposed. Oil is BAD STUFF![/QUOTE]</p><p><br /></p>
[QUOTE="BadThad, post: 1308837, member: 17261"]Cladking....ya know I like you, but I have to disagree about using olive oil (actually, any oil), but OO is bad stuff for coins. It contains all kinds of impurites and the organic acids are corrosive to all metal surfaces. I've seen some pretty good conservation results but I'd argue there's far more bad results out there that we never hear about. I've done my share of experimentation with OO and I've seen some nasty, permanent damage to copper. My advice to collectors: DO NOT USE OILS ON YOUR COINS. I don't care what kind of oil it is, it has no place in the coin world IMO. This includes Coin Care which is 99.99% napthenic oil and odorant. The ONLY reason it's been used is that were few other choices. It's been used for decades (perhaps longer) and collectors have propagated the myth of how great it is for coins, that doesn't mean it's right. Sure, oiled coins look nice and shinny and great...until that oil is removed and the REAL coin is exposed. Oil is BAD STUFF![/QUOTE]
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