United States, 2011 AD., Presidential dollar series, James Garfield issue, Philadelphia mint, 1 Dollar, KM 502.

United States of America, Presidential dollar coin program commemorative issue minted for circulation, James Garfield issue, engravers: Phebe Hemphill (obv.) and Don Everhart (rev.), Philadelphia mint, 2011 AD.,
1 Dollar (ø 26,5 mm / 7,95 g), copper with manganese brass cladding: (Cu 88.5%, Zn 6%, Mn 3.5%, Ni 2%), 8,00 g. theor. mint weight, mintage 37.100.000 , axes coin alignment ↑↓ (180°), plain edge with inscription,
Obv.: JAMES GARFIELD / PH / IN GOD WE TRUST 20th PRESIDENT 1881 , his portrait facing half right, engraver´s initials at lower left edge of bust.
Rev.: UNITED STATES - OF AMERICA / $1 / DE , Statue of Liberty facing left, value before, engraver´s initials at r. Edge.
Edge: 2011 P *** E PLURIBUS UNUM **********
KM 502 ; Schön 500 .

Year / Mint Mark / Mintage
2011 D 37,100,000 Position A - Edge lettering reads upside-down when the President's portrait faces up
2011 D (incl. above) Position B - Edge lettering reads normally when the President's portrait faces up
2011 P 37.100.000 Position A
2011 P (incl. above) Position B
2011 S 1,706,916 proof

James Abram Garfield (November 19, 1831 – September 19, 1881) was the 20th President of the United States, serving from March 4, 1881, until his assassination later that year. Garfield had served nine terms in the House of Representatives, and had been elected to the Senate before his candidacy for the White House, though he declined the Senate seat once he was elected President. He is the only sitting House member to be elected president.

From 2007 to 2011, presidential $1 coins were minted for circulation in large numbers, resulting in a large stockpile of unused $1 coins. From 2012 to 2016, new presidential coins have been minted only for collectors.
The act specifies that for a former president to be honored, they must have been deceased for at least two years before issue. The series ended in 2016, after honoring Ronald Reagan, the last President eligible.

More on https://en.wikipedia.org/wiki/James_A._Garfield#Guiteau_and_shooting ; https://en.wikipedia.org/wiki/Presidential_$1_Coin_Program ; http://www.usacoinbook.com/encyclopedia/coin-series/presidential-dollar-coins/