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1975 D Dime Split Rim

 
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Author Previous TopicReplies: 10 / Views: 437Next Topic  
New Member
United States
13 Posts
 Posted 01/24/2022  8:27 pm Show Profile   Bookmark this topic Add Lincolnhunter to your friends list Get a Link to this Message
Hi everyone I've got this crazy looking 1975 D dime I need opinion on its like the obverse and reverse are both equally higher all the way around then the core but the core has the regular markings of any other dime the notchs all the way around but just in the middle. Would really love to know what everyone thinks or if anyone has seen this before it weighs 2.09 grams and edge to edge is as big as a normal dime? I'm lost can't find anything online like it, thanks for your comments!




Pillar of the Community
United States
940 Posts
 Posted 01/24/2022  8:32 pm  Show Profile   Bookmark this reply Add Classic Coins to your friends list Get a Link to this Reply
Someone likely dipped the dime in acid, which ate away at the softer copper-core, but had a lesser effect on the copper-nickel surfaces.
Edited by Classic Coins
01/24/2022 8:36 pm
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United States
7325 Posts
New Member
United States
13 Posts
 Posted 01/24/2022  8:42 pm  Show Profile   Bookmark this reply Add Lincolnhunter to your friends list Get a Link to this Reply
Okay thanks for the info!
New Member
United States
8 Posts
 Posted 01/24/2022  9:02 pm  Show Profile   Bookmark this reply Add Almetzger3 to your friends list Get a Link to this Reply
I have one as well. I was going to post all photos when back home I only have a edge shot with me but the face of the dime is NOT etched. Sorry no date or other information. I will post fully when I can but it will be a while. Any other possible cause for edge
New Member
United States
8 Posts
 Posted 01/24/2022  9:06 pm  Show Profile   Bookmark this reply Add Almetzger3 to your friends list Get a Link to this Reply
I found one as well. I only have edge views and coin is not with me at this time for all photos. The dime I have dose not have an etched face or reverse like this one. . Any other possible causes. I will pose completes Seth of photos when I can.
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United States
8370 Posts
 Posted 01/24/2022  11:12 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
Almetzger3, you really should post your coin in a thread of it's own.
Having said that, yes, your coin is suffering from acid damage as well.
ša va bien aller

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United States
863 Posts
 Posted 01/25/2022  04:46 am  Show Profile   Bookmark this reply Add lcutler to your friends list Get a Link to this Reply
The copper core of the coin is affected more by the acid than the copper nickel outer layers.
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United States
1667 Posts
 Posted 01/25/2022  4:04 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
depends on the acid used. a clad dime is 75% Cu and 25% Ni over pure copper core, if the acid is strong enough to eat pure copper, but weak enough not to touch CuNi or nickel, it will just dissolve the core along the edge long before it starts corroding the cladded surfaces.

like for instance, you can scrape the edge a bit to expose the zinc core and put a zinc cent in muriatic acid it will eat away the zinc core and leave behind a hollow copper foil of the copper plating. it can't be done this way in reverse to strip off the copper because whatever acid it would take to dissolve copper, would make light work of the zinc, but there is a way to de-plate a zinc Lincoln cent and leave behind the copper core.

Anyways it's the same principle.

there's also shrinking coins with magnetic fields, and enlarging coins like "texas cents" by hammering a coin between leather to make it bigger.
people been damaging coins for entertainment as long as there has been coins I think.
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Canada
2269 Posts
 Posted 01/25/2022  8:48 pm  Show Profile   Bookmark this reply Add silviosi to your friends list Get a Link to this Reply
Acid or acidic damage.
New Member
United States
13 Posts
 Posted 02/20/2022  08:50 am  Show Profile   Bookmark this reply Add Lincolnhunter to your friends list Get a Link to this Reply
You guys know so much about anything I come across always impressed thanks for the comments!
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