[["In the early 1960\u2019s, the silver supply for the nation\u2019s coinage was dwindling rapidly.  This set the stage for the complete elimination of silver from our coinage by the end of 1964.", 424.0], [" All U.S. coins, of 10 cent & higher value, contained 90% silver, up until those dated 1964. Silver was eliminated in coins dated 1965 and later, except in half dollars, which was lowered to a 40% silver content, until 1970. Some silver coins dated 1964,  were actually also minted  in 1965 and 1966.", 200.0]]
when did they stop making silver coins
history