Bosch 12V Trailer Flasher Relay 1966 NOS

12V Bosch trailer flasher relay in new old stock (nos) condition. The relay has 4 pin connectors # 49, 49a, C, C2 and it comes with box and instructions. The diameter is about 3 cm and the length is about 4,5 cm. The relay is stamped with "BOSCH GERMANY IMPORTE D ALLEMAGNE, Blinkgeber, 0 336 200 032, 12V (3+1) x 18W". The box is stamped with "BOSCH made in Germany, 0336200032, 12V(3+1)x18W". The instructions for "Bosch Blinkgeber für Anhängerbetrieb Dunkelbeginn" was printed 1/1966.