At the Merchandise Mart International Antiques Show on Friday, design and decorative arts historian Emily Evans Eerdmans gave a special lecture, presented by CINOA and The Magazine ANTIQUES, on 20th century neoclassicism—from high style Art Deco to Hollywood stage sets. Eerdmans, who received her master’s degree from Sotheby’s Institute of Art in London, is the director of Hyde Park Antiques …