Commissioned in 1920, displacement 510 (standard) tons, horsepower 355 hp, speed 7 knots and an armament of 1-38,1cm guns. Described as a former monitor.
Source
Archive Dutch Naval Staff 1886-1942 (National Archive at the Hague, Netherlands) inventory number 129. Italian report dated (10) September 1931 dealing with the small vessels serving in the Italian navy and which was sent by the Italian liaison officer to the Dutch deputy chief naval staff.