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Doug, my apologies if I misunderstood your point about circulated coins and gloves. Some of your other points are arguing about semantics. I don't literally agreeing with everything Drusus has said- I don't even know him (do any of us know each other or all we are responding in cyberspace to people we may or have never met-weird thought?) or have all his posts memorized. Him and I disagree about proofs- so no big deal. I use mineral oil on copper coins as they are so reactive. Would not use on PL silver or mint state silver (I have on mint state silver, but can mute the luster). Yes, I believe Condor 101 and many others (see on Collector's Society Chat Boards) have no problem with oil or mineral oil soaks to removeor reduce grime, verdigris, etc based on reading many of their responses. Get on that site and read for yourself. I have had excellent results. All coins I own get pure acetone bath first and then mineral oil if appropropriate (no proofs or PL surfaces, mostly done with copper). Oil and water don't mix. As well sulfer (sulfates, sulfides, etc) are compounds which react in an ionic way with copper or other reactive metals. Oil structures have covalent bonds (equal attraction for each other) and are not reactive with such ionic compounds and will repel them. Same thing with laquer- very strong bonds that can only be broken by paint thinner. I don't have time to go reading everybody's posts to prove them with quotes-my paralegal and my maid and massage therapists are on vacation so I am real busy. That naturally was a joke!!!!!
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—James Madison
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