Ercole Barovier for Barovier & Toso rare pair of large clamshell sconces in heavy transparent iridescent glass featuring deep ribbing and pronounced lobes, Italy, circa 1940. These exquisite hand blown crystal wall lights are elegant and impressive emanating a warm glow with its iridescent glass. Recently rewired to U.S. standards, completely original brass hardware and wall mount. 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.