Follow the yellow brick road to a sneak preview of all-new ANTIQUES ROADSHOW with Francis J. Wahlgren's appraisal of a W. W. Denslow-inscribed "The Wonderful Wizard of Oz" book at McNay Art Museum in San Antonio, TX.

McNay Art Museum, Hour 1 airs Monday, April 20 at 8/7C PM on PBS.

Watch full-length episodes of ANTIQUES ROADSHOW at

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