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<p>[QUOTE="GDJMSP, post: 1806738, member: 112"]I dunno, I think a lot of the confusion comes from patina commonly being used to describe the green deposits often seen on ancients. While at the same time patina is also sometimes used to describe just about any coloration on coins, what is normally called toning by most.</p><p><br /></p><p>I'm not saying that either use of the word patina is incorrect, on the contrary, if you look at the definition of patina - <a href="http://dictionary.reference.com/browse/patina?s=t" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://dictionary.reference.com/browse/patina?s=t" rel="nofollow">http://dictionary.reference.com/browse/patina?s=t</a> - you'll see that both usages are correct. </p><p><br /></p><p>But toning and that green patina seen on ancients are entirely different things and each is caused by entirely different things. But at the same time they are similar in that they are both oxidation. For that matter even rust on steel can correctly be called a patina.</p><p><br /></p><p>I suppose a lot of the confusion has to do with books and things that are written. A lot of folks, not just Chris, think that the green patina, verdigris, and bronze disease are all 3 different things. They kind of are, but in reality they are not. They are just different forms of the same thing.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1806738, member: 112"]I dunno, I think a lot of the confusion comes from patina commonly being used to describe the green deposits often seen on ancients. While at the same time patina is also sometimes used to describe just about any coloration on coins, what is normally called toning by most. I'm not saying that either use of the word patina is incorrect, on the contrary, if you look at the definition of patina - [url]http://dictionary.reference.com/browse/patina?s=t[/url] - you'll see that both usages are correct. But toning and that green patina seen on ancients are entirely different things and each is caused by entirely different things. But at the same time they are similar in that they are both oxidation. For that matter even rust on steel can correctly be called a patina. I suppose a lot of the confusion has to do with books and things that are written. A lot of folks, not just Chris, think that the green patina, verdigris, and bronze disease are all 3 different things. They kind of are, but in reality they are not. They are just different forms of the same thing.[/QUOTE]
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