The penny currently costs 2.4 cents and the nickel, 11.2 cents, to produce. Chemists discuss how we could wriggle out of this ridiculous situation.
Melting Pennies is Profitable?!, by Matthew Cheung, Medium
1969-S Lincoln Memorial Cent : History and Value
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In Canada, find a penny, recycle it
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A United States Penny, 1 Cent Coin, or 1/100 Dollar. Stock Image, 1 Cent