See never-before-aired appraisals from this season’s tour, including a $40,000 to $60,000 treasure.

Discover never-before-aired appraisals from this season’s eight-city tour, including a 1925 San Francisco pictorial map, NASA signed photos and a Chinese jadeite peach-form bowl from around 1900. Which is the $40,000 to $60,000 treasure?