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1974 Aluminum Penny (W/Pics)

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AllezRoubaix's Avatar
United States
143 Posts
 Posted 03/08/2013  11:39 am  Show Profile   Bookmark this reply Add AllezRoubaix to your friends list Get a Link to this Reply
It cant be aluminium because of the weight looks to be either zinc or silver plated. To test for aluminium drop a dilute sodium hydroxide solution on it, it will bubble hydrogen gas if aluminium. To test for zinc drop dilute hydrochloric acid on it, it will bubble hydrogen gas. Silver will not release a gas with either. Granted these tests are somewhat destructive.
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solotime's Avatar
United States
2311 Posts
 Posted 03/08/2013  9:59 pm  Show Profile   Bookmark this reply Add solotime to your friends list Get a Link to this Reply
What about the rim? maybe get a photo of that too? I'm not sure what it is..
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justin3651's Avatar
United States
621 Posts
 Posted 03/09/2013  04:35 am  Show Profile   Bookmark this reply Add justin3651 to your friends list Get a Link to this Reply
I know that at least one exists thats not in government hands. I consider it one of the most important coins there are. if I remember correctly the guy who first owned that was a police/security officer who got it after a congressman dropped it and he tried to return it but the congressmen thought it was a dime so he told him to keep it.
Edited by justin3651
03/09/2013 04:36 am
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skyshark124's Avatar
United States
1109 Posts
 Posted 03/09/2013  10:04 am  Show Profile   Bookmark this reply Add skyshark124 to your friends list Get a Link to this Reply
An aluminum cent would be verrrry light feeling in comparison to a "regular" cent. It'd probably make you think of play money. I'm going with some kind of post-mint application of something to make it look this way. My bet is on zinc coating.
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United States
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 Posted 03/12/2013  7:50 pm  Show Profile   Bookmark this reply Add jack jeckel to your friends list Get a Link to this Reply
Just looks corroded to me but you would have to weigh it to be for sure.
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Conder101's Avatar
United States
17884 Posts
 Posted 03/13/2013  12:02 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Bronze clad steel would probably weigh somewhere between 2.5 and 3 grams, yours is still too heavy, and the clad steel would be strongly magnetic as well. I'd say you just have a regular cent with environmental damage. It may have even been plated by someone before it was damaged by the environment.
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