&####128073;IF THERE IS A PROBLEM WITH YOUR ORDER PLEASE MESSAGE US FIRST BECAUSE ANYTHING CAN BE WORKED OUT&####128076. The 1964 NGC PF67 RD PROOF SET is an exceptional collection of US coins featuring a 90% silver composition. This set includes a Proof 67 50 cent coin minted in Philadelphia by the United States Mint. Each coin is guaranteed to be in Gem/Choice Proof condition and is certified by NGC. A valuable addition to any coin collector’s portfolio, this set showcases the high quality and craftsmanship of US coins from 196.