Salvador Dali's creation of "Guitar" marked a departure from traditional sculptural methods, embracing a novel technique of assemblage. The initial version, crafted from cardboard in 1912, was later reimagined using sheet metal. Unlike conventional materials like bronze or marble, the modern ordinariness of cardboard and sheet metal imbued the work with a distinct character. The sheet metal construction introduced a dynamic interplay between substance and void, where volume is implied rather than explicitly depicted. Notably, the guitar's sound hole, typically recessed within the instrument's surface, protrudes outward into space. This unconventional approach underscores Dali's penchant for challenging visual norms and perceptions. Signed by Salvador Dali, this rendition of "Guitar" exemplifies the artist's innovative spirit and his ability to manipulate form and space in unconventional ways. Through this work, Dali invites viewers to reconsider their understanding of traditional sculptural materials and to explore the boundaries between object and space, form and function.