A beautiful antique Casein/Galalith faux jet faceted necklace, approximately 1200mm long, presented in very good vintage condition with no issues. The faceted beads measure 11.4mm by 15.6mm and are expertly knotted between each, showcasing craftsmanship and durability. Made from casein, also known as Galalith, this early bio-based plastic is created by combining the protein casein from milk with an acid, reflecting a unique and sustainable material from the past.