2018 San Francisco reverse proof silver set w- the RARE 2018 Kennedy ERROR - The RAREST Half Dollar!

Following up with my original rev proof set unboxing I've gone a little MAD with this MINT SET MADNESS! among one of the rarer half dollars, pennies and nickles! best part? I not only went nuts and bought way more sets, I received a string of concurrent errors on a particular coin from the set!