0 - Concert 00 - Grand Concert 000 - Grand Auditorium 0000 - Grand Auditorium A - Ash AE - Acoustic/Electric B - Acoustic Bass or Brazilian BK - Black BR - Brazilian Rosewood B/W/B - Black/White/Black binding or rosette C - Cutaway, Classic, or Classical CEO – Chief Executive Officer C.I.T.E.S. – Convention for International Trade of Endangered Species (July 1, 1975) D - Dreadnought DB - Deep Body E - Electronics EMP - Employee FMG - Figured Mahogany G - Gut (later nylon) String GE - Golden Era GM - Grand Marquis GOM - Guitar of the Month GT - Gloss Top H - Herringbone or Hawaiian HP - Herringbone Pearl HPL - High Pressure Laminate J - Jumbo K - Koa (back and sides) K2 - Koa (top, back, and sides) L - Left-Hand LE - Limited Edition LS (LSH) - Large Soundhole M - Mahogany MB - Maple binding MP - Morado Rosewood N - Martin Classical Shape (non-low-profile neck) OM - Orchestra Model P - Plectrum or Low Profile Q - Old Style non adj. neck (1985-current) R - Rosewood S - Special or Special Order (pre-1995) S - 12-Fret Slotted Neck SE - Signature Edition SP - Special (post-1995) or Special Appointments SW - Smart Wood Certified T - Tenor V - Vintage (suffix for models after 1983) VS – Vintage Sunburst W - Walnut W/B/W - White/Black/White binding or rosette X - X Series