This 2014P,D,S,W set of 4 50th Anniversary 1st Strike Kennedy 50c coins has been graded by PCGS as PR70 and MS70. The coins are made of silver and and clad. 

Please check picture. The slab has a few chips!

They feature the bust of President Kennedy on the obverse and the Presidential Seal on the reverse. These coins are highly sought after by collectors and are a great addition to any collection.