Fashion jewelry or costume jewelry has been part of culture for almost 300 years. The real golden era for costume jewelry began in the middle of the 20th century when the new middle class wanted beautiful, but affordable jewelry. The Hollywood film industry help popularized the fashion jewelry in the 1940’s when leading female stars often endorsed these jewels made of a wide range of materials such as crystals, semi-precious stones, gold or silver plated brass and silver. Other commonly used materials include glass, wood, leather, shells and other natural animal substances such as bone and ivory, natural clay and even plastic.