What's Wrong?

I found a bicentennial quarter that has rainbow looking marks on it. One larger one on the top and a small one on the bottom. Can anyone tell me what this is?

 

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Sometimes, when coins are exposed to various chemicals and conditions, they are "toned", often times a rainbow-y colour. You'll see it a lot with silver coins, especially Morgan Dollars. Here's a thread with pictures of various toned coins: http://www.cointalk.com/t135678/

 

Well that's pretty mych what it looks like. Do you know if it adds any value to the coin?

 

Some people would pay a premium for toned coins, but it depends on the condition, as well as the type of toning. Some coins are "artificially" toned. Could you post a picture of it?

 

I'll try but I have a really old crappy camera so not sure if it will work.

 

There was so much boogie feaver back then that it toned.