...we used to use 100% copper in pennies. How much copper did it take to make a penny? An ounce? Less than...
and how much in a penny from the 1960s? I know the new coins are just steel.
...all other coins are a blend of different materials. , so just how much copper is actually in the penny?
The mass and the percentages
...find out the actual amount of copper that is in the Canadian penny, For instance I believe the the U.S... about .0909 ounces of copper. Also if you have information on when they switched over to a less amount of copper that would be helpful...
I have a 1943 copper penny in my hands. Yes it is magnetic and it doesn't have a S, D or P underneath the 1943. I really want to know how much this could be worth.
It has no mint state letter on it and it is in great shape.
in a 2.5g penny that is made up of 98% copper 1.75% tin 0.25% zinc copper ...118.7g zinc weighs 65.4 how much does the copper in the penny...
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