Specializing in vintage, used, and new guitars, basses, banjos, mandolins, ukuleles, and amps since 1970. Gruhn Guitars buys, sells, consigns, trades and appraises fretted instruments and houses one of the world's premier vintage and used collections including classic Gibson, Fender, Martin, Epiphone, Gretsch and National instruments as well as a wide selection of new instruments from Martin, Taylor, Collings, Larrivee and many independent builders.