The 2011-S Proof Presidential dollars are a set of four $1 coins made of copper, minted in San Francisco. These coins are struck in proof condition, graded by the seller, and feature images of various US presidents on the obverse. The set includes coins from the years 2011 and is a valuable addition to any coin collection focusing on US presidential coins. James Garfield - Rutherford B. Hayes - Andrew Johnson - Ulysses S. Grant