This set of Volcano sconces was designed by Toni Zuccheri and produced in the 1960s. It is made of glass held by a chorme frame and foot. The item shows no chips or cracks. 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, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.