<P> In 1971 , when silver was eliminated entirely from the coins and production increased , the series began to see improved , but still limited circulation . A special design for the reverse of the half dollar was issued for the United States Bicentennial and was struck in 1975 and 1976 . In addition to business strikes , special collector coins were struck for the Bicentennial in silver clad ; silver proof sets in which the dime , quarter and half dollar were struck in 90 % silver were first minted in 1992 . In 2014 a special edition of the Kennedy half dollar was also struck in 99.99 % gold . </P>
<P> In 1971 , when silver was eliminated entirely from the coins and production increased , the series began to see improved , but still limited circulation . A special design for the reverse of the half dollar was issued for the United States Bicentennial and was struck in 1975 and 1976 . In addition to business strikes , special collector coins were struck for the Bicentennial in silver clad ; silver proof sets in which the dime , quarter and half dollar were struck in 90 % silver were first minted in 1992 . In 2014 a special edition of the Kennedy half dollar was also struck in 99.99 % gold . </P>
when did they stop using silver in half dollars
when did they stop using silver in half dollars
1971
1971