This comprehensive guide by Ronna Aikins covers the identification and valuation of 20th-century costume jewelry from 1900 to 1980. It includes detailed information about the language, binding, illustrations, author, publisher, and originality/facsimile of this reference book. The book focuses on antiques and collectibles, with a special emphasis on jewelry, making it perfect for anyone interested in those topics. The book is written in English and is a valuable resource for collectors in North America and beyond.