Wierd Green/Spotted Toning - Coin Community Forum

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Author	Replies: 7 / Views: 1,661
rogers Valued Member Canada 122 Posts	Posted 01/02/2009 02:41 am Hey, I found this in a roll hunt, anyone know how this kind of toning could happen? I hope the pictures are good enough; in hand, the coin is a bit darker (flash) and the colouration is more obvious. Edited by rogers 01/02/2009 02:44 am Report this Post to the Staff

TNG Bedrock of the Community United States 10284 Posts	Posted 01/02/2009 02:57 am I would say you have a very thin and even layer of verdigis on your copper cent. VERDIGRIS Pronunciation [vur-di-grees] a green or bluish patina formed on copper, brass, or bronze surfaces exposed to the atmosphere for long periods of time, consisting principally of basic copper sulfate. Edited by TNG 01/02/2009 02:59 am Report this Post to the Staff
Mr Finger Valued Member United States 405 Posts	Posted 01/02/2009 03:01 am copper does tend to turn green! Report this Post to the Staff
rogers Valued Member Canada 122 Posts	Posted 01/02/2009 03:25 am Yeah, I was wondering if it was verdigris, but the other coins I've seen with it looked quite different (darker green, and kind of like a greenish rust). Also, SPOTS? Report this Post to the Staff
TNG Bedrock of the Community United States 10284 Posts	Posted 01/02/2009 3:02 pm Maybe this is from being stored near some paper that had sulpher in it? Maybe an envelope? Who knows? I bet it was undisturbed in some environment for an extended stay. Actually, I don't like verdigris at all except I do like your coin with what appears to be just the right amount of it, if that is what I think it is. I do like this for some reason. I would keep it in an airtight or cointain from here on out if it were mine. Report this Post to the Staff
rogers Valued Member Canada 122 Posts	Posted 01/02/2009 3:41 pm Yeah, I need to get some of those, and 2x2s, and the binder casings to put them in.... sigh next coin meeting is the 7th, either I'll get some there or find out where the coin shops are around here. Report this Post to the Staff
TNG Bedrock of the Community United States 10284 Posts	Posted 01/02/2009 3:57 pm I have no problem with 2x2's, it's the staples and the paper dust they cause when punching through the 2x2's that can cause problems. I have read and believe that microscopic particles of paper can be attracted to the surface of a coin when a staple is pushed through a 2x2. For extremely super nice coins that I want to stay that way, I use a cointain or airtite and can then blast away with a stapler. Ordinary collectible coins, well, I don't see the need to put all that much supply money into them. A 2x2 is good enough. Report this Post to the Staff
DL20K Pillar of the Community Poland 3201 Posts	Posted 01/02/2009 4:00 pm When you look at the obverse too long, you begin to notice some odd additional shapes to the right of the Queen's portrait.. is this a consequence of the toning? Report this Post to the Staff
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