Height-adjustable hanging lamp 90s design

Rare and interesting pendant lamp in gray lacquered metal, hangs from the ceiling by a steel cable up to 320 cm high, circular neon lighting in a structure in gray lacquered metal and white perspex sliding all along the cable to the base on the ground in which the transformer and the power socket are located. Design from the 80s/90s, beautifully crafted, in the style of ingo mauer, artemide quality. Decoratively interesting piece h. 320 X diam. 42cm.