½ Dime "Seated Liberty Half Dime" (without stars) , United States

Obverse: Portrait of Mark Twain holding a pipe with smoke forming a silhouette of Huck Finn and Jim on a raft in the background., 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.

Obverse: A seedling and an acorn., Reverse: An eagle in flight with an olive branch in its talons.

Obverse: The Statue of Liberty in profile., Reverse: The reverse design presents a profile portrait of Dr. Bernard Lown with his direct current defibrillator in operation below.