This floor lamp was designed by Luis Perez de la Oliva for Grin Luz, during the 1970's, in Spain.  “Another amazing chromed model with huge dimensions. This lamp has 4 chromed tubes with 8 E14 bulbs. The name, as it happens with all Grin Luz models, keeps being an unsolved mystery.” - in Fase, The Book - The Mystery Solved. The chrome was completely cleaned and the electrical revised. With the original "Grin" mark in relief on the plug.