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This Cent has nice color, but do you think it was acid dipped in it's past?  
 

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 Posted 08/12/2017  2:52 pm Show Profile   Bookmark this topic Add KevininFLA™ to your friends list Get a Link to this Message









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 Posted 08/12/2017  4:17 pm  Show Profile   Bookmark this reply Add Chase007 to your friends list Get a Link to this Reply
It looks like an Acid dipped coin to me.
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 Posted 08/12/2017  4:41 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list Get a Link to this Reply
Yep, looks like it was placed in some kind of corrosive liquid.
You should always collect within your income, even if you have to borrow to do so.

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 Posted 08/12/2017  4:48 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
Those photos gave me eye twitch.

Acid, almost certainly.
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 Posted 08/12/2017  5:14 pm  Show Profile   Bookmark this reply Add Benja to your friends list Get a Link to this Reply
I really want to know what kind of acid causes this.
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 Posted 08/12/2017  5:28 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Acid treated for sure.
"You can't fool all the people all the time - others would like a chance."

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 Posted 08/12/2017  5:32 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply

Quote:
I really want to know what kind of acid causes this.


Here you go:


Quote:
Copper is an unreactive metal and doesnt react in normal circumstances with dilute acids. However, it does react with nitric acid. Why is this?

Nitric acid is an oxidizing agent and the reaction is not the usual acid + metal reaction. The products are oxides of nitrogen instead of hydrogen. The actual nitrogen oxide formed depends on the concentration and temperature of the acid.


from here: https://chemistry.stackexchange.com...-nitric-acid
"It certainly strikes the beholder with astonishment, to perceive what vast difficulties can be overcome by the pigmy arms of little mortal man, aided by science and directed by superior skill." --Henry VIII
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 Posted 08/12/2017  5:33 pm  Show Profile   Bookmark this reply Add KevininFLA™ to your friends list Get a Link to this Reply
I was in line at the Bank, behind a woman that deposited a bunch of rolled coin. No Halves, though.
I bought $11.50 worth of Cents and pulled only 3 Wheaties and about 3 rolls of copper Cents out of the bunch.
I'm about blind from searching them at one sitting.
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 Posted 08/12/2017  5:37 pm  Show Profile   Check Crazyb0's eBay Listings Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
Looks like metal etching solution, hydrochloric if I remember right. A high school science project that Little Johnnie in the Garage needed to do to graduate into Bomb-making 101.

...Bang...
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Edited by Crazyb0
08/12/2017 5:38 pm
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 Posted 08/12/2017  5:42 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list Get a Link to this Reply

Quote:
Copper is an unreactive metal and doesnt react in normal circumstances with dilute acids.


Maybe the acid used only reacted with the 5% tin/zinc?
Hence the details and the mostly smooth edges are still there?
You should always collect within your income, even if you have to borrow to do so.

Edited by Mark1959
08/12/2017 5:45 pm
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 Posted 08/12/2017  6:00 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply

Quote:
Maybe the acid used only reacted with the 5% tin/zinc?


Yep I'm not sure.

Not that I'm advocating destroying copper cents, but it might be an interesting experiment to look at the effect of different acids/concentrations/exposure times/temperatures.

"It certainly strikes the beholder with astonishment, to perceive what vast difficulties can be overcome by the pigmy arms of little mortal man, aided by science and directed by superior skill." --Henry VIII
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 Posted 08/12/2017  6:28 pm  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
Looks like heat to me. Maybe a blow torch.
John1
( I'm no pro, it's just my humble opinion )
Searched 5+ Million Cents Since 1971
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 Posted 08/12/2017  6:37 pm  Show Profile   Bookmark this reply Add Benja to your friends list Get a Link to this Reply

Quote:
Maybe the acid used only reacted with the 5% tin/zinc?
Hence the details and the mostly smooth edges are still there?


I was looking for something like this just because I thought it would bring out the dates on my dateless LWCs. It's because the tin and zinc are much softer than the copper.

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 Posted 08/12/2017  6:42 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list Get a Link to this Reply

Quote:
Looks like heat to me. Maybe a blow torch.


When you say blow torch do you mean Oxy/Acetlene (that I've melted glass with) or those propane soldering torches - I have one on my porch that I use to light my charcoal, I could try it out right now and post pics!!
You should always collect within your income, even if you have to borrow to do so.

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 Posted 08/12/2017  6:47 pm  Show Profile   Check Crazyb0's eBay Listings Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
Most acid dipped coins lose detail instead of improving it like in rasised date Buffalos. John1 may be right...if acid is used, the rim dissolves first(outside in). Extreme heat (2000+) will burn off impurities and cause that mottled effect, I change my vote to heat!
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 Posted 08/12/2017  7:08 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list Get a Link to this Reply
OK - not Oxcy/Acetylene nor hand held propane welding torch.

First one is Oxy/Acetylene - melted the coin in 5 seconds. Second one is 5 mins of heat applied from hand held propane torch! - nothing!!
Yes, 95% copper cents were used!
Must be from "Propane and Propane Accessories" - AKA Hank Hill - LOL!



You should always collect within your income, even if you have to borrow to do so.

Edited by Mark1959
08/12/2017 7:11 pm
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