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The predominantly zinc coins make a lower-pitched "clunk" when hitting the surface, and make no sound when flipped in the air; while the copper coins produce a higher-pitched ringing sound. [8] In addition, a full 50-cent roll of pre-1982/3 coins weighs 5.4 oz (150 g) compared to a post-1982–83 roll which weighs 4.4 oz (120 g).
In 1868, eleven years after the last large cent was produced, a mint employee struck around a dozen and a half large cents dated 1868. These coins were struck in both copper and nickel planchets. [ 14 ] [ 15 ] Also produced that year were about 2 dozen dime patterns were minted in nickel with the obverse die of the 1868 large cent, plus an ...
The half-cent piece was made of 100% copper and half of a cent, or one two-hundredth of a dollar (five milles). It was slightly smaller than a modern U.S. quarter with diameters 22 mm (1793), [1] 23.5 mm (1794–1836), [2] and 23 mm (1840–1857). [3] They were all produced at the Philadelphia Mint.
The United States large cent was a coin with a face value of 1/100 of a United States dollar. Its nominal diameter was 1 1 ⁄ 8 inch (28.57 mm). The first official mintage of the large cent was in 1793, and its production continued until 1857, when it was officially replaced by the modern-size one-cent coin (commonly called the penny).
The Quarter-Dollar, Half-Dollar and Dollar coins were issued in the copper 91.67% nickel 8.33% composition for general circulation and the Government issued six-coin Proof Set. A special three-coin set of 40% silver coins were also issued by the U.S. Mint in both Uncirculated and Proof.
Finally, amid the Napoleonic Wars, the government authorized Matthew Boulton to mint copper pennies and twopences at Soho Mint in Birmingham in 1797. [21] Typically, 1 lb. of copper produced 24 pennies. In 1860, the copper penny was replaced with a bronze one (95% copper, 4% tin, 1% zinc). Each pound of bronze was coined into 48 pennies. [22]
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A nickel is a five-cent coin struck by the United States Mint.Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866.Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm).