I can only add two promotion documents of Kapitänleutnant Rudolf Andler, commander of U 98, one signed by the Kaiser. SM U-98 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-98 was engaged in the naval warfare and took part in the First Battle of the Atlantic. He was awarded with the iron cross 2nd class on Jan 8 1916.
WWI U-boat Successes (uboat.net)
24 Mar 1918 Anchoria (d.) 5,430 br
26 May 1918 Janvold 1,366 nw
14 Jul 1918 Maurice 164 fr
31 Jul 1918 Alkor 269 nw
i.e. 3 ships sunk (1,799 tons) and 1 ship damaged (5,430 tons).
Career
- "Hay" (Hafenfl. d. Jade/Weser), Komdt. 9.14,
- "Markgraf" W. u. R. Offz., 4.17,
- U-Boots Schule, Ausb., 10.17,
- "U 57" (II), Ausb., 12.17,
- "U 98" (IV) Komdt.
Awards
Allerhöchste Belobigung Fähnrich zur See 1906, 10.23. für vorzügliche Kenntnisse in der Seeoffizierprüfung
Pr. Rettungsmedaille am Bande Leutnant zur See 1908, 05.21. KÖNIG WILHELM
Allerhöchste Belobigung Oberleutnant zur See 1912, 11.18. Schiffsartillerieschule, Lehrer
Pr. Eisernes Kreuz 1914 II. Kl. Kapitänleutnant 1916, 08.01.R MARKGRAF, Wachoffizier
Württb. Friedrichs-O. Ritterkreuz 1. Kl. m. Schw. Kapitänleutnant 1916, 08.01.R MARKGRAF, Wachoffizier
Ubootkriegsabzeichen 1918 Kapitänleutnant 1918, 02.01.S U 57 und U 98, Kommandant
Ritterkreuz 1.Kl. m. Schw. Hausorden vom Weißen Falken.
(Thanks to jaba the hunt and roli56 for additional Information)