Desk lamp from the 1970s / 1980s vintage

Beautiful and rare lamp in hard plastic and metal, year 1970, /1980 vintage, signed under the base, german designer, adjustable on 360 degrees at the level of the ball fixed by magnetization. The electrification is vintage and works perfectly. Dimension about 40 cm high. In good general condition, some mark of use due to time without great incidence and a small brand of heating, see photos n ° 6. See all details photos.