1978 Penny - Odd Color - Coin Community Forum

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Author	Replies: 10 / Views: 4,548
ram96 Valued Member United States 417 Posts	Posted 07/08/2011 06:02 am Sorry no pic's yet, but my grandson found a 1978 penny that looks to be all zinc. Thought it could be a blank from the test tokens? Report this Post to the Staff

ram96 Valued Member United States 417 Posts	Posted 07/08/2011 06:27 am Here are some pic's Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 07/08/2011 11:14 am Canada's modern small cents were 98% copper through 1996 so it cannot be unplated zinc. It looks like a normal strike so I doubt that it was struck on a dime planchet, most likely explanation is that the coin has been plated post-mint. An accurate weight would be helpful. Report this Post to the Staff
ram96 Valued Member United States 417 Posts	Posted 07/08/2011 1:18 pm I weighed it at 3.2 gr. Also checked a "regular" penny and it also weighed 3.2. Report this Post to the Staff
wpd7 Valued Member United States 257 Posts	Posted 07/08/2011 3:28 pm Probably plated then. Report this Post to the Staff
littlemoney Pillar of the Community Canada 902 Posts	Posted 07/08/2011 4:24 pm No plating in 1978 Report this Post to the Staff
ram96 Valued Member United States 417 Posts	Posted 07/08/2011 4:43 pm It is 19mm around but just over 1mm thick. Not 1.55 as described in my Charlton Catalogue. Deffinately not a test toke blank. Report this Post to the Staff
papeldog Pillar of the Community Canada 1923 Posts	Posted 07/08/2011 5:03 pm maybe a foreign planhet Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 07/09/2011 03:37 am Not very surprised. Don't have any unplated U.S. coins, but I do have quite a few British 1 and 2 P unplated steel coins. From my experience, they may be not as scarce as I once thought. Nevertheless, they are all (gross?) errors. Report this Post to the Staff
merclover Bedrock of the Community United States 10635 Posts	Posted 07/21/2011 9:04 pm Privately plated? -Les Report this Post to the Staff
SPP-Ottawa Moderator Canada 10463 Posts	Posted 07/23/2011 9:33 pm Ahhh, memories of my high school chemistry class. Zinc plating over copper is pretty easy to do... I highly doubt the entire coin is composed of entirely of zinc, that would mean there would have been an entire metal ingot of zinc (or zinc alloy) rolled into sheets, then cut into planchets, etc... "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
	Replies: 10 / Views: 4,548

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