1975 Penny

aa battery

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Oct 11, 2006
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Yes i have my exboss had a penny like that but i cant remember the year so i guess there is at least two pennies with a date on it.Ibet theres more. :)
 

Montana Jim

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Sep 18, 2006
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A google search found two other inquiries just like yours... as far back as a few years ago, on other boards... No replies, just the question.
 

gold fish

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Sep 21, 2006
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I found a 1977 that was like that while roll hunting, I was told that there was a very common chemistry experiment done during high-school chemistry classes that caused the transformation. Some sort of demonstration of chemical changes.
 

Cgardner

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Apr 15, 2007
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yea this is chemistry experiament where you pull the outer shell of the penny off to get to the Zinc core at which point is dropped into some boiling liquid I dont remeber the exact contents. but it produces a Golden Penny that looks exactly like the copper outer shell we see everyday.
 

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