Found This 1973 Quarter With Weird Bubble Looking Raises On It

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Author	Replies: 7 / Views: 4,599
scooter0114 New Member United States 14 Posts	Posted 04/08/2017 9:32 pm What do you guys think? I'm pretty sure it has to be a minting error! Report this Post to the Staff

Spence Moderator United States 34430 Posts	Posted 04/08/2017 9:39 pm @scooter, perhaps but it looks much more like a drip of krazy glue to me. Try giving it a soak in acetone and see if that clear bump pops off the surface of the coin or dissolves. "If you climb a good tree, you get a push." -----Ghanaian proverb "The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz Report this Post to the Staff
scooter0114 New Member United States 14 Posts	Posted 04/08/2017 9:47 pm Definitely not crazy glue my pics aren't the best but the shiny spots is where the metal has worn. I will try to get some better pics there is one on the front and one on the back of the coin. On both these spots the coin has shiny spots where the metal has been scratched due to the raising. Report this Post to the Staff
scooter0114 New Member United States 14 Posts	Posted 04/08/2017 9:56 pm As you can see those are clearly scratches on the raised surface that show the clean metal again Report this Post to the Staff
Crazyb0 Rest in Peace 10197 Posts	Posted 04/08/2017 10:01 pm Scooter, looks like your quarter has been subject to extreme heat, whether in a fire or intentionally. When heating up the clad coins, the metals such as copper have a lower melting point than the clad materials, this will cause bubbles to form under the "skin". Once cooled, you have these left on the coin. This is PMD, after mint damage. Report this Post to the Staff
Zimmy Valued Member United States 460 Posts	Posted 04/08/2017 10:47 pm Exposed to extreme heat causing trapped gases between clad and copper core to expand. The heat will always discolor the coin too making it darker in color. Report this Post to the Staff
scooter0114 New Member United States 14 Posts	Posted 04/08/2017 10:55 pm thanks guys learn so.ething new everyday Report this Post to the Staff
Spence Moderator United States 34430 Posts	Posted 04/09/2017 05:57 am Ok yep, I agree with @crazyb0 and @zimmy. Sorry that I misled you at first. "If you climb a good tree, you get a push." -----Ghanaian proverb "The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz Report this Post to the Staff
	Replies: 7 / Views: 4,599

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