Written draft of “Stormy Weather”; circa 1864 Tiffany cameo; aristocratic portrait by Robert Henri.

Host Mark L. Walberg and appraiser Marshall Martin head to the renowned San Diego Zoo to discuss the appeal of vintage Steiff animals, the plush-toy phenomenon started more than 130 years ago. Highlights include an original, handwritten draft of the 1933 popular American song “Stormy Weather”; an heirloom circa 1864 Tiffany cameo with a collection of authentic period jewelry; and a turn-of-the-century aristocratic portrait by Robert Henri, valued at $250,000 to $350,000.