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<p>[QUOTE=&quot;Kentucky, post: 2825174, member: 33176&quot;]Couple of things...first, I&#039;m an organic chemist, so when it comes to metals, I know some, but other people know more ([USER=17261]@BadThad[/USER] are you listening?).&nbsp; Metals are in general reactive, but they can also form protective &quot;skins&quot; that will reduce their tendency to react further.&nbsp; Ancient coins do have a lot of protection, sometimes in the form of dirt that we remove and sometimes as a patina that we may or may not see.&nbsp; Modern coins also have a similar situation, so well circulated coins really do not require gloves to handle them.&nbsp; Uncirculated and proof coins are a separate case.&nbsp; A chemical reaction (inorganic) requires chemicals and water.&nbsp; In the absence of water, the reactions are inhibited, so handling coins with your bare hands is not bad as long as your hands are reasonably clean and reasonably dry.[/QUOTE]</p><p><br /></p>

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