They haven't yet. Half dollars don't circulate well and some years and mints are not released for circulation because their not needed by the Federal Banking System.
The years and mints not released for circulation are: 1970D/ 1987P-1987D/ 2001P/ 2002P-2002D/ 2003P-2003D/ 2004P-2004D/ 2006P-2006D/ 2007P-2007D
No US half dollars were made for general circulation in 1925 but 4 different commemorative half dollars were issued, the type is needed for an assessment. Post new question with a description of the coin.
From 1948/1963 Ben Franklin was on half dollars that were issued for general circulation. Prior to 1948 different depictions of "Miss Liberty" appeared on half dollars.
Kennedy half dollars are still minted for general circulation in Copper-Nickel Clad Copper for circulation while some Proofs (San Francisco Mint {S}) are made in Silver. Check with your favorite federal bank for one or in rolls.
All Kennedy half dollars dated from 1971 to date, struck for general circulation contain no silver and face value only.
The 1974 Kennedy halves are not silver. 1970 is the last year for a 40% silver half dollars made for general circulation. It's 50 cents, just spend it.
No Kennedy half dollars made for general circulation after 1969 have any silver, the 1991 is just 50 cents and is still in circulation.
No US half dollars were made for general circulation in 1925 but 4 different commemorative half dollars were issued, the type is needed for an assessment. Post new question with a description of the coin.
From 1948/1963 Ben Franklin was on half dollars that were issued for general circulation. Prior to 1948 different depictions of "Miss Liberty" appeared on half dollars.
Kennedy half dollars are still minted for general circulation in Copper-Nickel Clad Copper for circulation while some Proofs (San Francisco Mint {S}) are made in Silver. Check with your favorite federal bank for one or in rolls.
All Kennedy half dollars dated from 1971 to date, struck for general circulation contain no silver and face value only.
The 1974 Kennedy halves are not silver. 1970 is the last year for a 40% silver half dollars made for general circulation. It's 50 cents, just spend it.
A total of 3.5 million circulation half dollars were made in 2010.
The last 90% silver half's made for general circulation were in 1964. 40% silver coins were issued until 1970.
1971 Kennedy half dollars are face value only and are still in circulation.
None of the Kennedy bicentennial half dollars made for general circulation have any silver or are worth more than face value. Only Proof and collectors coins sold from the US Mint are worth more.
No US half dollars were made for general circulation in 1925 but 4 different commemoratives were issued, the type is needed for an assessment. Post new question.
1964 for dimes, quarters, and half dollars at 90% silver. Halves were then 40% silver until 1970. The only silver coins since then were special collector issues, but none for general circulation.