Discussion in 'Error Coins' started by BBoy1503, Aug 9, 2020.
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Get yourself a gram scale. Copper planchets weigh 3.11 grams and Copper plated zinc planchets weigh 2.5 grams.
Years 1909 - 1982 weigh 3.11 grams
Years 1982 - 2020 weigh 2.5 grams
1982 was the year they switched to copper plated zinc so you will find them in both weights.
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