Proof coins for the Kennedy halves would have an S (San Fransisco)mint mark for the years represented in your photo's.
Your coins all appear to be D (Denver) mint business stike coins.
The 2004 was only available in mint sets and was not issued for circulation, but it is not a proof coin.
Your coins all appear to be D (Denver) mint business stike coins.
The 2004 was only available in mint sets and was not issued for circulation, but it is not a proof coin.




















