"Wir sollen auch unser Leben für die Brüder lassen" (1.Joh.3.16):
zum Gedächtnis Wilhelm Schenk. Er starb fürs Vaterland am 13. Juni 1916
The way ahead in this conundrum is to send the item to one of the principles here, if one seriously wants a firm answer.
This kind of thing is exceptionally rare, much more so than my black uniforms. This kind of thing was used up, and more or less replaced by the military cut blouse
and one did not want to be wearing it in the wrong place at the wrong time.