UNTER-ELBE FÄHR BETRIEB.

U137 is Rosanoski’s interpretation of Peter Hans van den Muijzenberg’s verbal report. The flag is divided per saltire, white over blue, with black letters described as “U over E before F over B”. After seeing it on a company ship on the Kiel Canal, the observer spoke to a ferry captain who confirmed that a cloth flag existed. His report is dated 27 August 2001.