1974 Aluminum Penny (W/Pics) - Page 2

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Author	Replies: 21 / Views: 21,043	Page: of 2

AllezRoubaix Valued Member United States 143 Posts	Posted 03/08/2013 11:39 am 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. Report this Post to the Staff
solotime Pillar of the Community United States 2311 Posts	Posted 03/08/2013 9:59 pm What about the rim? maybe get a photo of that too? I'm not sure what it is.. Report this Post to the Staff
justin3651 Pillar of the Community United States 621 Posts	Posted 03/09/2013 04:35 am 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 Report this Post to the Staff
skyshark124 Pillar of the Community United States 1109 Posts	Posted 03/09/2013 10:04 am 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. Report this Post to the Staff
jack jeckel Pillar of the Community United States 5211 Posts	Posted 03/12/2013 7:50 pm Just looks corroded to me but you would have to weigh it to be for sure. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 03/13/2013 12:02 pm 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. Report this Post to the Staff
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