In the mock documentary “This is Spinal Tap,” the character Nigel Tufnel shows off a guitar that can never be played, touched, pointed to or, ultimately, looked at. You’ll never know the reality of ...

Appraisal: Stromberg Archtop Guitar, ca. 1950, from Vintage Phoenix. In Vintage Phoenix, Kerry K. Keane appraises a Stromberg Archtop Guitar, ca. 1950. Guess whether it's value has gone up or down!

Funding for ANTIQUES ROADSHOW is provided by Ancestry and American Cruise Lines. Additional funding is provided by public television viewers. Antiques Roadshow is available to stream on pbs.org and ...