Adjustable height lamp "PR" by Pirro Cuniberti for Sirrah, Italy, 1970s Arc lamp with a totally metal structure composed of a sky-ground upright with a circular section and an arched arm. It is one of the most iconic and original works by the famous Italian designer Pirro Cuniberti. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.