Léa Stein jewelry diamond shaped vintage plastic brooch. Geometric diamond shaped stacked brooch by French artist and accessories maker Léa Stein. This brooch is layered using thin sheets of cellulose acetate or rhodoid creating the dimensional stacked effect. This brooch is likely from her first edition due to the V shaped heat mounted clasp' used in the earlier part of her career. Approximate measurements: 3 1/2" in length, 1 1/4" in width and 1/4" in height.