It has one slight piece of damage to the top which is very hard to see unless the light is just right. I tried but it is difficult to photograph. You may pick it out in the last photo in the listing.
This classic instrument has an even, warm tone but is not loud with these strings but holds its own when using an amp. All metal strings are louder but not as warm as the nylon cores. I suspect the numbers'in the wild' would be in the 100's and this model has been out of production since 1996.My bass is identified as 1992 by the serial number. B-40 JUMBO ACOUSTIC BASS GUITAR.
MODEL #: B-40 Jumbo Acoustic Bass Guitar (4-String). BODY SIZE: 0000, M or J (Jumbo) Shape with Full Dreadnought Depth. BRACING: Partially Scalloped 5/16 X-Bracing. SPECIAL FEATURES: Full 34 Bass Scale Neck Blended With Jumbo Body Size. BACK: 2 Piece Solid East Indian Rosewood.
BACK INLAY STRIP: Style 28 Checkered Back Inlay Strip. SIDES: Solid East Indian Rosewood. NECK: Solid Genuine Mahogany with Diamond. NECK SHAPE: Special Bass Shape with Adjustable Rod. HEEL CAP: White Boltaron, Style 38.
HEADPLATE: East Indian Rosewood with Raised Gold Foil Logo. FINGERBOARD: Genuine Ebony with Side Dot Position Markers Only. BRIDGE: Genuine Ebony Belly Bridge, 2 1/8 Bridge Spacing. BODY FINISH: Polished Gloss Lacquer.BRIDGE & END PINS: White with Black Dots. SADDLE & NUT: Corian Nut, Micarta Saddle. # OF FRETS CLEAR: 17. # OF FRETS TOTAL: 23. NECK WIDTH AT NUT: 1.58. SCALE LENGTH: 34 Long Scale. TUNING MACHINES: Chrome Enclosed Bass Tuners with Chrome Buttons. STRINGS: M-580 Martin Light Gauge Phosphor Bronze Acoustic Bass Strings.
OTHER OPTIONS: Left-handed At No Additional Charge. The item "Martin B40 Acoustic-electric Bass Guitar VERY RARE" is in sale since Sunday, June 24, 2018. This item is in the category "Musical Instruments\Guitars & Basses\Parts & Accessories\Tuners". The seller is "bilzmale" and is located in Canning Vale, WA.This item can be shipped worldwide.