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 Replies: 13 / Views: 2,143 |
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Valued Member
United States
352 Posts |
I was culling a few pennys. and found another penny with a thin side. I put the caliper to it
.51 on one side
.59 on the other
no visable signs of damage, no marks of any kind
coin looks normal as can be...until you turn it on its edge
what causes this in a planchet?
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Bedrock of the Community
United States
62064 Posts |
Sometimes a tilted die will affect one side more. Other times a thinning of stock material. But if you put a roll of cents in a clear plastic tube, you will see they often look slightly different in edge height.
On the one you found, is the devices/rim weaker on that side that is thinner? If so it might be a thinned planchet? If the devices and rim look normal the tilted die might be the cause?
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Moderator
 United States
56855 Posts |
Could it be a tapered planchet? John1  |
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Bedrock of the Community
United States
62064 Posts |
Here is what a tapered planchet can show on the rims and devices.  |
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Moderator
United States
56855 Posts |
What is the best way to tell that this was a minting problem and not PMD? John1 |
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Bedrock of the Community
United States
62064 Posts |
Damage on a coin is usually squared in shape if a straight blade:  Squeezing multiple coins in a vise or hammering them together tend to take them out of round:   Acid dipping tend to make the area reduced and pitted:   John1: What else can you think of for altered coins? |
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Moderator
United States
56855 Posts |
The Texas Cent comes to mind.On the pic that you posted about a tapered planchet,could that be done with a piece of leather and a hammer? John1 |
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Bedrock of the Community
United States
62064 Posts |
That would probably bend it out of round. I had a dime I tried to flatten with two pieces of leather and using a hammer. It had not affect no matter how hard I tried. The leather just absorbed the blow. Gave up after a dozen tries. Looking again at the 1981 cent I posted, I think it is Grease Filled Die. Note the "E" on CENT on the reverse. Looks like the grease had some grit in it. I'll have to pull that coin and take a second look. Edited by coop
06/05/2014 2:58 pm
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Valued Member
 United States
352 Posts |
i used to flatten pennies when I was a kid.
we used a train to do it LOL
i think the blank was thin on one side then it was struck
there is no visable damage to the coin...besides regular wear
its gone anyway...back in a roll..i'll find another one
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Bedrock of the Community
United States
62064 Posts |
Done that also. Kind of scary being that close to the tracks.
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New Member
United States
41 Posts |
Quote:
Kind of scary being that close to the tracks You are not supposed to hold the coin, Coop. Next time just lay it there. |
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Bedrock of the Community
United States
62064 Posts |
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Pillar of the Community
United States
1476 Posts |
I've done that as well. Just real hard to find the coin afterwards.  |
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Bedrock of the Community
United States
62064 Posts |
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Replies: 13 / Views: 2,143 |
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Posted 06/04/2014 07:19 am
