Prussian first class shooting award cord.
In the Kaiserlische Army shooting award cord was allowed to be worn only by enlisted members as a decoration for weapons proficiency. The Schützenschnur was introduced to German army by Kaiser Wilhelm II in 1894. There were 10 classes of the shooting award cord depending on proficiency of the shooter.
Regarding to the Kleines Schieß-Buch Bronislaus had second class shooting award.