40s art deco lucite reverse carved cameo broocha striking 1940s art deco brooch featuring a classical lady cameo reverse carved and set beneath clear lucite over a vivid cobalt blue ground. the layered construction creates dramatic depth, a signature technique of mid century plastic jewelry design. the carved ivory toned cameo evokes victorian revival motifs, while the bold geometric lucite frame firmly places it in the machine age aesthetic of the 1940s. the brooch combines two highly collectible