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Proko
Valued Member
Australia
91 Posts
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I'd be interested to know what members think about this little oddity I picked up on eBay. Its a 1972 2c coin that was listed as having a "thin planchet". It certainly is thinner than a normal 2c coin, (see photo), but it also has a diameter that is smaller than a normal 2c coin. So maybe its been struck on a planchet that was originally destined for some other coin. Its composition appears to be the same as a regular 1c or 2c. But does anyone know of a coin this thin? Its strangely very well centred for an undersized planchet but certainly appears to have been struck with genuine dies, albeit weakly. See the piccies. Regular coin on the right for comparison.
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Valued Member
Australia
52 Posts |
The circumference looks smaller too
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Pillar Of The Community
Australia
4043 Posts |
This is very interesting. If it had been squashed it would have a greater diameter but this ha a smaller one. Maybe you could measure the diameter and compare with other world copper coins.
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Valued Member
Australia
91 Posts |
Yes, I thought at first it may have been a 1c planchet that got squashed but it weighs more than a 1c coin and its very uniformly round.
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Rest in Peace
United States
9104 Posts |
Can't tell if the surface is rippled. If it is, then the coin's been partially dissolved in acid.
If it's smooth, how do weight and diameter compare to a one cent coin?
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Pillar Of The Community
Australia
2691 Posts |
yes: weight, please
"the only people who are not confused are those who are not paying attention."
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Pillar Of The Community
1119 Posts |
bit of time on the belt sander then onto the buffer? I dont have a belt sander to test this theory lol
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Pillar Of The Community
1119 Posts |
and the edge from 3 o'clock to 6 doesn't seem very round to my eyes
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Valued Member
Australia
469 Posts |
The photos on the original listing are probably a bit clearer, and show that the coin appears to have an unusual coarse, speckly surface on both sides.
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Pillar Of The Community
Australia
3425 Posts |
Seems to me it might have had an acid bath. Pictures will help a lot.
A friend is a present you give to yourself.
Nancy
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Valued Member
Australia
52 Posts |
Honey, I shrunk the coins.
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Pillar Of The Community
Australia
825 Posts |
 not trying to be smart nancyc but as it has both an obverse and reverse I don't think it's had a bath but more along the lines of a one cent planchet in with the two's or it was a 2 that should have been rejected due to size etc 
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Pillar Of The Community
Australia
4222 Posts |
definitely eaten away with either acid or alkaline
Aim to Enjoy life. You only get one shot at it
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Valued Member
Australia
410 Posts |
Being dipped in acid etc I don't think explains the difference between the two. The thickness of the plancet is too thin. If the difference was caused by acid surely the whole of the detail would be removed yet both sides still have a large amount showing. The plancet is half the thickness of the normal 2c coin, there would be no detail left to see with acid treatment etc!
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Pillar Of The Community
Australia
4043 Posts |
 with bjw there is no way acid could thin it out so much and leave details. If it were that thick because of acid there wouldn't be any detail on it what so ever. Acid could not have been the culprit.
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Pillar Of The Community
1119 Posts |
the 1cent is already a thinner coin than the 2c and about 4mm smaller diameter. if it was hit and spread to the same size as the normal 2c by the die, I tend to think it would be much thinner.
also if a planchett smaller than the die did go in somehow I also tend to think it would have an even thickness rather than wedge shape.
im still a newb so could be wrong, but I have huge doubts about it being a 1c planchett.
just noticed something strange looking above the lizards head as well, poor atempt at a forgery?
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Posted 02/27/2012 05:26 am
