Vintage 'Royal' swing-arm wall lamp for Cosack, Germany 1950s

This stunning and quite rare adjustable wall lamp, model ’Royal’, was designed for Gebrüder Cosack in Germany in the 1950’s. The diabolo shade is white enameled in a ’shrink finish’, mounted on a telescoping arm. The lamp can be pulled out from 100cm to 170cm. The wall piece has a push switch and a counterbalance to keep the cord nice and straight. This lamp is in a very good vintage condition with small signs of age and use and a lighter supervisial scratch on the shade, as pictured.