A Marinekorps Flandernkreuz (Flanders Cross) in bronze; the obverse with “Zur See Unbesiegt im Felde” (German-Undefeated in the Sea) inscribed on all four arms of the cross, with an anchor in the centre, surrounded by an oak wreath and crossed swords; the reverse bears the Prussian naval flag, inscribed “Marinekorps” and “1914/18”.