Vintage lucite oversized pins by Kaso. Purple lucite lays over a metallic geometric base. Kaso was a company in the 80’s and 90’s started by Harriet Bauknight, an American Fashion designer who created jewelry and fashion accessories using lucite. She had a small jewelry company in Easley, South Carolina. She is well-known for her extravagant jeweled Lucite handbags and jewelry collection.