Kovels Antiques, Inc., was founded by Ralph and Terry Kovel. Hailed as "the duke and duchess of the antiques world," they have written more than 100 books and special reports about collecting. Their bylined column is the longest-running syndicated weekly column in the country, distributed to more than 150 newspapers. Their guides include the annual Kovels' Antiques & Collectibles Price Guide, which has sold over 4 million copies since its first edition.