JUMBO Guitars, a long-established brand of domestic acoustic guitars. These guitars were created by studying Martin dreadnoughts. Based on the serial number, this guitar was manufactured in March 1971. The tuners have been replaced with Gotoh tuners, a piezo pickup has been installed, and the nut and bridge have been replaced. Please be aware that modifications have been made in various places. Neck width: 41.2mm Frets: 70-80% remaining Top: Spruce Neck: Mahogany Sides and fingerboard: Rosewood String height at the 12th fret: Approximately 2.8mm for both the 1st and 6th strings It will be shipped in a BOSS gig case.