The Palmaiola was a British-built Italian gunboat of 472 tons displacement launched in 1902 as the Mary and bought by the Italian government in 1916. The Palmaiola had a top speed of 8.5 knots, carried a complement of 80 and was armed with a single 3-inch anti-aircraft gun. Found on http://www.probertencyclopaedia.com/browse/RP.HTM