USA 1 Dollar 2016 Mark Twain. Obverse: Portrait of Mark Twain holding a pipe with smoke forming a silhouette of Huck Finn and Jim on a raft in the background. Lettering: LIBERTY IN GOD WE TRUST 2016 P. Reverse: An open book from which several of the author’s characters are springing to life. The knight and horse from A Connecticut Yankee in King Arthur’s Court is shown at center; along with the frog from The Celebrated Jumping Frog of Calaveras County and Huck and Jim from Adventures of Huckleberry Finn. Lettering: UNITED STATES OF AMERICA $1 E PLURIBUS UNUM. Edge Reeded. Silver. KM 622. With Box & Certificate