The guest in this preview arrived at ROADSHOW's event in Tulsa with a secret weapon -- a handcrafted gadget cane that hides a single shot flintlock gun.

Check out Bruce M. Shackelford's apprsaisal of a Plains Indian pipe tomahawk, ca. 1875, from Tulsa Hour 3.

In Tulsa Hour 3, appraiser David Rago examines a Rookwood silver overlay ewer, ca. 1905. Check out the appraisal and find out how much it's worth!

Check out Betty Krulik's appraisal of a 1904 Solon Badger oil painting, from Tulsa Hour 3.

Watch Catherine Williamson's appraisal of a 1993 J.D. Salinger initialed letter, from Tulsa Hour 3.

Check out John Nye's appraisal of a fake English bureau bookcase, ca. 1900, from Tulsa Hour 3.

In Tulsa Hour 3, appraiser Nicholas Lowry examines a 1931 Oscar Mayer in-store display. Check out the appraisal and find out how much it's worth!

Watch Simeon Lipman's appraisal of a 1936 Olympic torch, from Tulsa Hour 3.

In Tulsa Hour 3, appraiser David Weiss examines a 1975 Buck McCain oil painting. Watch the appraisal and find out how much it's worth!

In Tulsa Hour 3, appraiser Christopher W. Lane examines a 1775 English map of Florida. Watch the appraisal and find out how much it's worth!

Check out David P. McCarron's appraisal of a 1927 Rene Lalique "Espalion" vase, from Tulsa Hour 3.

Alasdair Nichol appraises an oil painting by Joseph Fleck -- an artist known for his depictions of the American West but who was originally from Austrio-Hungry.

Watch Mike Gutierrez's appraisal of a Joe Tinker photo collection, ca. 1900, from Tulsa Hour 3.

Watch C. Wesley Cowan's appraisal of signed Alabama stoneware, ca. 1880, from Tulsa Hour 3.

Watch Gary M. Piattoni's appraisal of a 1826 English gadget cane, from Tulsa Hour 3.

In Tulsa Hour 3, appraiser Matthew C. Quinn examines Sequoyah School pottery, ca. 1940. Watch the appraisal and find out how much it's worth!

Folk art expert Allan Katz admires the fine craftsmanship of a marquetry tool chest from 1894 that was made by the owner's great-great-grandfather -- a cabinet-maker by trade.

Watch Arlie Sulka's appraisal of a Tiffany Studios table lamp, ca. 1910, from Tulsa Hour 3.

In Tulsa Hour 3, appraiser Mark M. Topalian examines a silk Persian Tabriz rug, ca. 1890. Check out the appraisal and find out how much it's worth!

In this web-exclusive appraisal from Tulsa, John Sollo looks at an enamel screen by Edith Meyer that depicts the 12 signs of the zodiac.