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  2. Penny (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Penny_(United_States_coin)

    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).

  3. Coronet large cent - Wikipedia

    en.wikipedia.org/wiki/Coronet_large_cent

    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 ...

  4. Large cent - Wikipedia

    en.wikipedia.org/wiki/Large_cent

    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).

  5. Half cent (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Half_cent_(United_States_coin)

    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.

  6. Coin grading - Wikipedia

    en.wikipedia.org/wiki/Coin_grading

    Coin grading [1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.

  7. Coins of the United States dollar - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_United_States...

    On May 11, 2011, Utah became the first state to accept these coins as the value of the precious metal in common transactions. The Utah State Treasurer assigns a numerical precious metal value to these coins each week based on the spot metal prices. The bullion coin types include "S" (San Francisco, 1986–1992), "P" (Philadelphia, 1993 – 2000 ...