This 2013-S William H. Taft with Signature Label PRESIDENTIAL DOLLAR PCGS PR70DCAM is a must-have for any coin collector.  The coin features a striking image of William Taft and is certified by PCGS with a certification number of 28059332. This particular coin was struck as a Proof and was minted in San Francisco, United States. It has been graded PR 70, which is the highest possible grade for a proof coin.  PCGS lists the population at 42 (Total: 815).  Check out the PCGS website for more information on the certification number.