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89 18561864 88% copper, 12% nickel (also referred to as NS-12) 72 grains 4. 67 18641942 bronze (95% copper, 5% tin and zinc) 48 grains 3. 11 1943 zinc-coated steel (also referred to as 1943 steel cent) 42 grains 2. 72 19441946 gilding metal (95% copper, 5% zinc) 48 grains 3. 11 19471962 bronze (95% copper, 5% tin and zinc) 48 grains 3.

11 October 1982 present copper-plated zinc (97. 5% zinc, 2. 5% copper) 38. 6 grains 2. 5 The isotope structure of early coins spanning the duration 1828 to 1843 shows the copper from Cornish ores from England, while coins after 1850 reflect the Keweenaw Peninsula, Michigan ores, a finding consistent with historic records.

A couple of copper cents from 1943 were produced from 1942 planchets remaining in the bins. Likewise, some 1944 steel cents have actually been validated. From 1944 to 1946, restored ammunition shells made their method into the minting process, and it was not unusual to see coins featuring streaks of brass or having a considerably darker surface than other problems.

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This led the Mint to check alternative metals, consisting of aluminum and bronze-outfitted steel. Answers Shown Here was chosen, and over 1. 5 million samples of the 1974 aluminum cent were struck prior to ultimately being rejected. The cent's composition was changed in 1982 since the worth of the copper in the coin began to increase above one cent.

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5% zinc structure, while others utilized the 95% copper composition. With the exception of 2009 bicentennial cents minted particularly for collectors, United States cents minted after 1982 have actually been zinc with copper plating. The bronze and copper cents can be identified from the newer zinc cents by dropping the coins on a solid surface.

In addition, a full 50-cent roll of pre-1982/ 3 coins weighs 5. 4 oz (150 g) compared to a post-198283 roll which weighs 4. 4 oz (120 g). Styles [modify] The coin has gone through numerous styles over its two-hundred-year timespan. Up until 1857 it was about the size of the present U.S.