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<p>[QUOTE=&quot;medoraman, post: 5404053, member: 26302&quot;]Toning = Tarnish but is not always = patina. Patina is a defensive measure an item creates to protect itself. Toning/tarnish is the beginning of this for silver. However, its fragile and can go sideways into corrosion. Ancient coin patina is rock hard. We handle our ancient coins freely since the patina of the coin protects it and it will not do any damage. </p><p><br /></p><p>That is why I was a little hesitant with the term patina earlier in the thread. Its tricky for &quot;modern&quot; coins, coins only a couple of hundred of years old.&nbsp; Personally I use toning on &quot;moderns&quot;, and patina on ancients. Somewhere in the middle ages is where I would switch.[/QUOTE]</p><p><br /></p>

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