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 Replies: 13 / Views: 1,570 |
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Valued Member
United States
461 Posts |
Not my field of study in numismatics but I found this little coin intriguing. How was it done?   A couple of observations about this coin... 1. I don't have the color just right. The rim and just inside the rim on the field is a natural red UNC color. The rest of the coin is silvery gray. 2. It is UNC I believe and I would expect from some type of PMD to cause loss of detail to the devices. 3. It came out of a cash register at work today. Let me know what to think on this one. |
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Valued Member
 United States
461 Posts |
I hate to reply to my own topic, but I think this shows the color better...   |
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Valued Member
United States
281 Posts |
Not really sure what would cause that.
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Bedrock of the Community
United States
62064 Posts |
I would keep it for now. There are lines on the reverse like rippled plating. But I can't really say for sure. The jury is still out for me.
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Valued Member
United States
461 Posts |
A plating rubbing off makes sense... just not sure about there being very little signs of circulation  . Maybe it was a science experiment gone wrong? One more pic... close up of the reverse.  |
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Bedrock of the Community
United States
62064 Posts |
Partial plating looks sometimes like this:  Note how smooth the area looks under the plating on this image? I would still keep it for now. We might see what Mike Diamond thinks about this one? |
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Pillar of the Community
United States
2624 Posts |
Could we see close ups of the mark on top of the head, the date and the other side of the building?
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Valued Member
United States
461 Posts |
sure... give me a few to go get another cold snack and hook the usb camera back up.
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Valued Member
United States
461 Posts |
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Pillar of the Community
United States
2651 Posts |
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Valued Member
United States
461 Posts |
Any other ideas or do I file this in the probably not anything good but interesting pile?
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Valued Member
United States
355 Posts |
Interesting coin. I'm interested in how the plating process works. Do they simply get dipped in a bath of copper? I'm assuming it's more complicated than that though.
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Pillar of the Community
United States
4809 Posts |
Just throwing this out there; possible etching (acid) sits with meniscus and eats away the copper leaving the rim/edges with copper? But why not dip the whole coin for full effect?
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Pillar of the Community
United States
2737 Posts |
I've seen far too many of these cents with centralized absence of plating to be confident that they're real. I suspect some kind of chemical removal. I also suspect that the treatment thins the copper plating elsewhere so that it is lost where the plating is naturally thin, like the outside of peripheral letters.
Error coin writer and researcher.
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Replies: 13 / Views: 1,570 |
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Posted 03/16/2014 8:47 pm
