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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), 23.5 mm (1794–1836), and 23 mm (1840–1857). [2] They were all produced at the Philadelphia Mint.
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). Large cents were made of nearly pure copper, or copper as pure as it emerged from smelting, without any deliberate addition of other metals (such as ...
Unmarked coins are issued by the Philadelphia mint. Among marked coins, Philadelphia coins bear a letter P. Denver coins bear a letter D, San Francisco coins bear a letter S, and West Point coins bear a letter W. S and W coins are rarely found in general circulation, although S coins bearing dates prior to the mid-1970s are in circulation.
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The half dollar, sometimes referred to as the half for short or 50-cent piece, is a United States coin worth 50 cents, or one half of a dollar.In both size and weight, it is the largest circulating coin currently minted in the United States, [1] being 1.205 inches (30.61 millimeters) in diameter and 0.085 in (2.16 mm) in thickness, and is twice the weight of the quarter.
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