1963 Washington Quarter "PCI PR70 DCAM" "Proof 70" "Proof" PR indicates that the coin is a special strike made for collectors with a highly polished finish, distinct from regular circulation strikes. The 70 is the highest grade on the Sheldon Scale (From 1to 7 this coin0) indicating has no visible flaws even under magnification. DCAM stands for "Deep Cameo" A beautiful coin that never comes up for sale. $200