12V Eisemann RKLE 90 beacon with blue lens 60ies

Rare 12V Eisemann RKLE 90 beacon lamp with blue lens in used condition. The lamp is running and the motor is stamped with "12V". The blue lens is good and stamped with "B1007" and "DIN". The chrome ring is good and without dent. The lens and chrome ring are complete with the small often missing mount parts. The badge is stamped with " Eisemann 7782312400". Made in Germany about 1966.