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Illusive Floating Penny Variety

 
 
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Pillar of the Community
United States
1699 Posts
 Posted 08/23/2019  08:48 am Show Profile   Bookmark this topic Add stoneman227 to your friends list Get a Link to this Message
Who cares about a floating roof when the whole bugger can be bobbing !
A video I took years ago.
45dKTQhQ8iI

*** Edited by Staff to add YouTube tags. [youtube][/youtube] Please use them in the future. We prefer embedded video. ***
Pillar of the Community
United States
2562 Posts
 Posted 08/23/2019  09:03 am  Show Profile   Bookmark this reply Add CoinHunter27 to your friends list Get a Link to this Reply
That's really interesting! Thanks for sharing.

-CH27
CoinHunter27
Collector of US errors and variety coins of all kinds

"Time is the coin of life. Only you can determine how it will be spent"
-Carl Sandburg
Pillar of the Community
United States
1065 Posts
 Posted 08/23/2019  09:06 am  Show Profile   Bookmark this reply Add Evan7 to your friends list Get a Link to this Reply
How?
Pillar of the Community
United States
629 Posts
 Posted 08/23/2019  09:10 am  Show Profile   Bookmark this reply Add flag4 to your friends list Get a Link to this Reply
Very interesting . . Maybe someone could explain the science behind that?
Noticed no comments on the video . .
Pillar of the Community
United States
1699 Posts
 Posted 08/23/2019  09:36 am  Show Profile   Bookmark this reply Add stoneman227 to your friends list Get a Link to this Reply
The bucket had been used to mix an augmented mortar in. In an attempt to clean it , someone filled it with water and acid.
The acid must have leached something out of the mortar because the liquid was much like a syrup.
Someone dropped a zincoln in the bucket and the acid found/made a hole in the edge of the plating. Once exposed to the acid, it ate the zink creating a gas bubble inside the plating which would eventually float the coin to the surface. Once there , the bubble would pop and the coin would make its way back down through the syrup to the bottom to start the process all over again.
Edited by stoneman227
08/23/2019 09:39 am
Bedrock of the Community
Learn More...
United States
23853 Posts
 Posted 08/23/2019  10:00 am  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Very interesting for sure!
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
Bedrock of the Community
United States
16904 Posts
 Posted 08/23/2019  12:53 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
We are easily amused
Pillar of the Community
United States
1515 Posts
 Posted 08/24/2019  02:16 am  Show Profile   Bookmark this reply Add Greasy Fingers to your friends list Get a Link to this Reply
Thanks for clearing it up Stoneman...I still think it was MAGIC...Was David Copperfield on the job site

Also, so glad your video wasn't 17 minutes long, if it was it would have been more entertaining the the one I watched before yours...
Pillar of the Community
United States
538 Posts
 Posted 08/25/2019  11:35 pm  Show Profile   Bookmark this reply Add Petespockets55 to your friends list Get a Link to this Reply
I remember that one.
Couldn't remember what you originally said was the cause, but guessed it must have had to do with the zinc oxidizing and the resulting gas causing it to float. Still mesmerizing to watch, even now.
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