I'm proud to present to you a spectacular Oldenburg medal bar of Hauptmann von der Hellen, personal Adjutant of GFM von Hindenburg (there's a small picture of him on Beyreiss book about Oldenburg's orders and medals, wearing his medal bar).
Here's the description of his decorations:
Preussen: eisernes Kreuz 2. Klasse, 1914;
Preussen: RK des Königlichen Hausordens von Hohenzollern mit Schwertern (ritzmarke „s & W”, silberstempel und „937“);
Oldenburg: RK 2.
Yet another wonderful bar, congratulations!
Carl von der Hellen was born 27.11.1879 in Rotterdam, son of a salesman.
He graduated the Corps of Cadets in 1898 and was commissioned a Sek.Lt. in IR 91 on 18.08.1899. Oberlt. on 17.09.1909 and Hptm. 01.10.1913.
He was a battalion and regimental adjutant as well. He finished the war as a Hptm. The 1916 Gotha Briefadel. Taschenbuch lists him as a "Brigade Adjutant"
He died on 12.04.1969 in Oldenburg. The 1978 directory