The Lincoln Cent Part 3 The Many Changes
No real changes occurred in the cent from 1918 through 1942. In 1943, the cent would again see a dramatic change although not to its design, but rather due to shortages of copper caused by the war. At the time of World War II, the one-cent coin was composed of 95 percent copper and 5 percent zinc. These metals were denied to the Mint for the duration of the war, making it necessary for the Mint to seek a substitute material. After much deliberation, even including consideration of plastics, zinc-coated steel was chosen as the best in a limited range of suitable materials.
Production of the war-time cent was provided for in an Act of Congress approved on December 18, 1942, which also set as the expiration date of the authority December 31, 1946. Low-grade carbon steel formed the base of these coins, to which a zinc coating .005 inch thick was deposited on each side electrolytically as a rust preventative. The same size was maintained, but the weight was reduced from the standard 48 grains to 42 grains, due to the use of a lighter alloy. Production commenced on February 27, 1943, and by December 31, 1943, the three Mint...