Original lapel badge for German Army veterans, awarded to non-commissioned officers and soldiers

Original lapel badge for German Army veterans, awarded to non-commissioned officers and soldiers to celebrate 9 years of faithful service in the Prussian Army.
The badge consists of a blackened iron bar with a silver edge, mounted on a blue ribbon with black edges. This specific bar design (Schnalle) was introduced in 1825 and used until 1913, when it was replaced by medals or crosses.