A.A. Weinman's walking Liberty design for the 1916 half dollar. This used to be J1798 in earlier editions of Judd. Resaerch by Roger Burdette has determined that this is actually the first of these patterns.
Fewer than a half dozen are confirmed.
For additional information on this and other 1916 half dollars, click here.
Photo courtesy of the National Numismatic Collection of the Smithsonian Institution.