Error 1979 Kennedy Half Dollar

THIS IS A 1979 KENNEDY ERROR HALF DOLLAR COIN. THERE IS NO MINT MARK, LIBERTY AND DATE, UNITED STATES OF AMERICA, HALF DOLLAR ARE DOUBLE DIED, THERE IS A DEEP GASH NEXT TO THE "R" IN HALF DOLLAR ON THE BACK AND THERE IS A DEEP GASH ABOVE THE LEAF ON THE LEFT SIDE IN BACK OF THE COIN.

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