Tuesday, Sept. 1 at 8 PM on our main channel, 39.1: Henry Louis Gates, Jr. maps the roots of director Spike Lee and actor Kristin Chenoweth.

Tuesday, Sept. 1 at 9 PM on our main channel, 39.1: First demonized by the lawman who killed him, the Kid was soon mythologized.

Tuesday, Sept. 1 at 10 PM on our main channel, 39.1: This program examines the enduring impact of gangster Al Capone on American culture, including how and why so many people are fascinated by his story.

Among the finds: a Tiffany Studios mosaic inkwell circa 1905; a show run from the Beatles' first appearance on "The Ed Sullivan Show" along with an autographed photo of the band; Joseph Kleitsch oil painting circa 1925.  

Hour 3 treasures found include Tiffany presentation watch gifted to NYPD Lt. Giuseppe Petrosino by the Italian government; a 1943 Irving Berlin manuscript; rare 1903 American Beauty-backed tobacco baseball cards.