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Penny Composition
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Years
|
Mass
|
Diameter |
Composition
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| 1864 to 1942 | 3.11 g | 19 mm | 95.0% Copper and 5.0% Zinc & Tin (bronze mix) |
| 1943 | 2.70 g | 19 mm | Steel with Zinc coating |
| 1944 to 1946 | 3.11 g | 19 mm | 95.0% Copper and 5.0% Zinc & Tin (bronze mix) but made from cartridge casings and slightly off color |
| 1947-1962 | 3.11 g | 19 mm | 95.0% Copper and 5.0% Zinc & Tin (bronze mix) |
| 1963-1982 | 3.11 g | 19 mm | 95.0% Cu and 5.0% Zinc |
| 1983-2002 | 2.50 g | 19 mm | 97.5% Zinc and 2.5% Copper (20% lighter) |
Data Source:
The Official Red Book,
"Guide to US Coins", 55th Edition 2002, St Martin's Press, Copyright
2001.
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