Prussian Signalhorn. This brass Signalhorn, sometimes called a Bugle, has a badge with the Prussian eagle stamped on it. Cornet reinforcement in nickel silver. With its rings and mouthpiece. Patina, some dents. Prussian Bugle (Signalhorn) Brass Signalhorn, sometimes referred to as a Bugle, featuring a stamped Prussian eagle medallion. Maillechort mouth reinforcement. Complete with rings and mouthpiece. Patina and a few teeth from use.