Official photo of Italian <i>Regia Marina</i> torpedo boat <i>Cassiopea</i>, circa 1939.
An unidentified serviceman of the Regia Marina
Bragadin, Marc'Antonio: <i>The Italian Navy in World War II</i>, United States Naval Institute, Annapolis, 1957.<a href="//commons.wikimedia.org/wiki/Special:BookSources/978-0-405-13031-1" title="Special:BookSources/978-0-405-13031-1">ISBN 978-0-405-13031-1</a>