The picture shows a front and back view of this Old United States Navy Submarine Ceramic Coffee Cup. The year that it was made is unknown. The cup has The United States Navy emblem on one side. The other side has a submarine and The U.S. Navy submarine service emblem. It is marked as follows:
DEPARTMENT OF THE NAVY UNITED STATES OF AMERICA ESGN
The cup measures 3-3/4'' tall. It is in mint unused condition as pictured.