The Maxi Bulb is a real feast for the eye. This eye catcher is made of light grey glass by Peill & Putzler. When the light is on, it shines a very pleasant coloured light – due to the light grey glass. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and 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.