A striking and highly decorative original Italian industrial safety sign dating from the mid-20th century (circa 1950s–1970s), manufactured in painted sheet metal and featuring one of the most iconic warning graphics ever created. The sign bears the unmistakable inscription: "ALTA TENSIONE – PERICOLO DI MORTE" (High Voltage – Danger of Death) combined with the dramatic black skull crossed by lightning bolts on a vivid orange triangular background. This instantly recognizable symbol became the international standard for high-voltage hazards during the post-war industrial expansion, designed to communicate extreme danger even without the need to read the text. Originally installed in environments such as: electrical substations power stations industrial factories railway infrastructure heavy engineering workshops this authentic warning sign perfectly captures the functional aesthetic of Italian industrial design, where bold graphics and practicality came together to create objects that today are appreciated as decorative design pieces. With its impressive dimensions of approximately 44.5 × 40 cm, this is a much larger example than the common industrial warning plates typically encountered. Its strong graphic composition, vivid colours and authentic patina make it an outstanding decorative object for lofts, studios, industrial-inspired interiors, restaurants or private collections. Details Material: Painted metal Dimensions: approx. 44.5 × 40 cm Origin: Italy Period: circa 1950s–1970s Condition The sign remains in good original vintage condition, showing honest signs of age, surface scratches, small paint losses and wear consistent with decades of authentic industrial use. These traces of time enhance its originality and character without diminishing its impressive visual impact. The reverse also displays natural oxidation typical of an original period example. No modern repainting or restoration has been carried out. Why this piece stands out An authentic original Italian industrial warning sign featuring one of the most iconic safety graphics ever produced. Highly sought after by collectors of industrial antiques and vintage signage, it combines: iconic skull and lightning bolt design authentic factory-used patina large decorative format strong visual impact genuine mid-century industrial history A superb original piece of Italian industrial heritage that functions equally well as a collectible object or as a bold statement piece in contemporary interiors.