Hello Chris,
Congratulations to your officers' body ring. You are really the Lord of the Rings.
My grandfather was 1917 when he was transferred by the 11th company ILR, yes also for a few days still active in the 12th Company.
In his supplementary sheet of the military passport. Submissions inFeb. 1918. Is even the signature of the company commander. Lieutenant and company commander Schoerner
Best greetings from Bavaria
Hackei