Eisemann RKLE90 12E6AB beacon blue lens 12V

Rare 12 Volt Eisemann RKLE 90 12E6AB beacon lamp with blue lens in used condition. The power connector in the base is missing (see last photo). Apart from that everything is good. The lamp is running. The lens is good and stamped with "B1007". 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 RKLE90 / 12E6AB". The badge was painted red and I used chrome polish to remove the paint. Made in Germany about 1960.