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 Replies: 13 / Views: 6,363 |
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New Member
Canada
3 Posts |
Hi Folks, Complete coin newbie here, so please bear with me if I seem a bit slow... I was going through a coin collection owned by my Grandfather, and came across a 1978 Jefferson nickel that seems to be copper on the reverse side. The obverse appears normal, if dirty, though it does have 2 small copper-coloured spots on it and a very faint hue in places. The reverse seems to be solid copper (no idea how thick but it doesn't seem like gas diffusion). It has an even patina for copper that seems in line with the age of the coin with a little bit of greenish oxide tinge on it. The rim of the coin seems normal, if brighter and cleaner than the obverse is. The copper on the reverse doesn't go all the way to the edge, making the nickel rim stand out. I did a quick google search and found a few posts around the net where similar questions were either found to be manipulated, with a very small number of errors where copper transfer took place during minting. Not sure if either scenario really fits here, but I'll leave that to the experts. :) Pics attached, any insight would be appreciated.   |
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Rest in Peace
United States
7075 Posts |
 Interesting coin. I'll be back to see what the experts have to say.....  |
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Valued Member
United States
237 Posts |
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Bedrock of the Community
United States
62064 Posts |
Just toning or a patina on the surface. If there are any scratches through the surface, you will see the silver color in them.
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New Member
 Canada
3 Posts |
I see. Seems a strange colour for patina on a nickel to me. I don't see any scratches, so it also seems odd that the rim would be so clearly different. The coin has been in plastic for almost 20 years. Well, thanks for your help.
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Bedrock of the Community
United States
62064 Posts |
The rim shows the nickel color.
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Rest in Peace
United States
7075 Posts |
Very interesting.
coop, thanks. I've learned a lot from you and I'm grateful that you take the time to share what you know.
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Bedrock of the Community
United States
62064 Posts |
Now that you know, then it is your job to share with new ones. It's a "Pay It Forward" thing. Best way to learn is to ready only the OP post at the top. Think what it could be? Then... read below to see if you are correct. That is what I've always done. If the correct answer isn't there, I chime in. If the correct answer is already there, I don't add another post. Another thing that helps with the learning process is to follow the designing of the striking process. When you understand what can happen and what can't, that also helps. Read, read, and read more. The learning process is here for free to learn. Just like school, you only get out of it what you put into it. Hope this helps.
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Rest in Peace
United States
9104 Posts |
, CoinNoob8945785! |
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Rest in Peace
United States
9104 Posts |
Detected nickels often have that color, a reaction of the 75% copper content.
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New Member
Canada
3 Posts |
Interesting info. Cheers, all!
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New Member
United States
3 Posts |
I have the same one. Are they valuable?
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Bedrock of the Community
United States
74963 Posts |
To CCF! If you can get pictures if your coin, that would be very helpful.  Errers and Varietys.
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Valued Member
United States
84 Posts |
Also unless I'm seeing things, what is that mark coming off the top of the head (1:00 position?)
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Replies: 13 / Views: 6,363 |
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Posted 04/02/2012 6:15 pm
