This 2011-S Andrew Johnson PRESIDENTIAL DOLLAR PCGS Certified PR70DCAM First Strike is a must have for any coin collector.  The coin features a striking image of Andrew Johnson and is certified by PCGS with a certification number of 19758338.  *** The coin has a tarnish dot on Andrew Johnson's lip & high forehead. ***  The coin was struck as a Proof and minted in San Francisco. It has been graded PR 70, which is the highest possible grade for a proof coin.