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Is the half dollar in a 1970 S US Proof Coin set made of 40 percent silver?
Yes the coin is 40% silver.
How much silver is in a 1969 d jfk 50 cent piece?
Kennedy half dollar coins dated 1965 through 1970 weigh 11.5 grams and are 40% silver - they thus contain 0.1479 troy ounces of silver.
How much silver is in a Kennedy half dollar?
The 1964 Kennedy half dollar, which is 90% silver, contains 0.3617 troy ounces of silver. The 1965-1970 Kennedy half dollars (as well as some 1976 coins issued for collectors), which are only 40% silver, contain 0.1479 troy ounces of silver. The silver proof Kennedy half dollars produced for collectors since 1992 are, like the 1964 coins, 90% silver and contain 0.3617 troy ounces of silver.
What is the percentage of silver in a Kennedy half dollar?
Those minted in 1964 are 90% pure silver. Those from 1965 to 1970 have a core made of 80% copper and 20% silver, with outer layers that have the opposite percentages for an overall content of 40% silver. All minted after 1970 (except those included in silver proof sets) are copper-nickel and contain no silver. US Mint "Prestige" proof sets include 90% silver Kennedy Halves, although all others versions of the coin including standard proofs are made of copper-nickel.
What is the value of a 1970 silver quarter?
The United States did not produce quarters from silver in 1970, only ones from an alloy of copper and nickel.
