Bosch Signal Horn 24V 335Hz 0320146001 NOS

24V 335Hz Bosch signal horn # 0320146001 in new old stock (nos) with box. The horn works and the diameter is 11 cm. It comes with box and date 9/1971 instructions. The round washer on the rear is stamped with "Bosch, 24V, 335Hz, 0320146001" and the rear is stamped with "BOSCH made in Germany". The Box is stamped with "Bosch 0 320 146 001". Made in Germany in the 70ies.