Things You'll Need
Instructions
Purchase a book on depression glass patterns such as the "Collector's Encyclopedia of Depression Glass" by Gene Florence or "Warman's Depression Glass: A Value and Identification Guide" both available at Amazon.
Check online websites such as Depression Glass Antiques, to find the pattern you are trying to identify.
Take your depression glass to a local antique dealer and they will help you to identify the pattern using their knowledge of depression glass and their library of depression glass books.
Go to the library and search the antique and reference sections to locate the pattern of your depression glass.
Visit an antique appraiser and ask them to identify the pattern.
Bring your depression glass to antique and glass shows and ask the dealers if they recognize the pattern of your depression glassware.
Contact a local depression glass collector's group to ask if you can bring your depression glass to them for identification.