Book excerpt: The Book of Marks: The Canadian Collectors Guide to Antique Manufacture's, Marks, Monographs, Labels, Seals and Other Craftsmen Insignia Hold old is it? Where was it made? Who made it? Previously issued as Unitt's Book of Marks, this quintessential guide manufacturer's marks and other insignia is the perfect identification guide to Canadian, American and European antiques. Included are marks, monographs, labels, seals and more on antique glass, ceramics, pottery, silver, silverplate and dolls. This new enlarged and updated version has been dramatically expanded to include a wide range of new marks with full identification details. It includes Canadian marks from various provinces providing date of manufacturer. Clear and concise mark replicas provide for quick and accurate identification to your family heirlooms, recent purchase, or prized antique. Fakes and forgeries are discussed, as are the basic rules of authenticating the value and age of both antiques and collectables. Fully indexed for easy reference, the book's bibliography invites the reader to further explore the collector's world.