when did they stop making all silver half dollars
Half dollar (United States coin) By the early 1960s, the rising price of silver was nearing the point where the bullion value of U.S. silver coins would exceed face value. In 1965, the U.S. introduced layered composition coins made of a copper core laminated between two cupronickel outer faces. The silver content of dimes and quarters was eliminated, but the Kennedy half dollar composition still contained silver (reduced from 90 to 40 percent) from 1965 to 1970.
Bull riding The flank strap
United States Mint coin sets All releases from 1936 to 1972 included the cent, nickel, dime, quarter, and half dollar from that year. The first proof sets through 1964 were minted at the Philadelphia Mint. There were two official releases in 1942: one regular five coin set and a set including a silver wartime nickel. United States currency was debased beginning in 1965, but the sets continued under the name United States Mint Proof Set.Production was moved to the San Francisco branch in 1968, and all subsequent issues bear coins with an "S" mint mark. In 1973, the Eisenhower dollar was added to the collection. Sets from 1975 will have a dual-date 1776-1976 quarter, half-dollar, and dollar as none of those coins were ever produced with a 1975 date. The Susan B. Anthony dollar replaced the Eisenhower in 1979. The 1981 mint sets were the only method of obtaining a Susan B. from that year, though many have slipped into circulation. With the cease in minting of dollar coins, the regular issue Proof Set for 1982 included a brass token. From 1983 until 1998, the annual United States Proof set resumed to only issuing the penny, nickel, dime, quarter, and half-dollar.
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