Hella 6V Trailer Flasher 91PMK Relay 1967 NOS

Hella 6V Trailer Flasher 91PMK relay in new old stock (nos) condition. The 5-pin connector relay comes with box and 8/1967 instructions. The diameter is about 3,5 cm. The relay is stamped with "Hella 91PMK 2+1x18W 6V, Made in Germany". The box is stamped with "Hella 91PMK 2+1x18W 6V, Made in Germany". The box may vary (see last image).