Can you sell a necklace made with ivory? Watch Ph.D. Antiques Appraiser Dr. Lori share secrets to selling and valuing vintage jewelry. Learn the marks to look for when thrift store shopping for costume jewelry with rhinestones as well as the value for a string of Mikimoto pearls marked with the number 750 and the letter M. Plus, see how to find valuable pearls by not using stupid foolish tests. Watch Dr. Lori appraise an Art Deco necklace and bracelet made of crystal set in Sterling silver. Also, discover how to find a barrel clasp on a necklace with Burmese rubies and what it means for value. See Dr. Lori appraise a Sears and Roebuck pocket watch and show you why your ring might be missing its marks.