Mabel Garrison & Capt. Pierce - Glass negative photogrpah. Public domain.

Photograph shows soprano opera singer Mabel Garrison Siemonn (1886-1963) with naval officer on board the U.S.S. Recruit, a wooden mockup of a battleship built in Union Square, New York City by the Navy to recruit seamen and sell Liberty Bonds during World War I. (Source: Flickr Commons project, 2015)