1977 GIBSON LES PAUL TRIUMPH BASS
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1977 Les Paul Triumph bass characteristics: Pearloid inlaid Gibson logo on the headstock with no "i" dot and closed "o", split diamond pearloid inlay and fine trim on the headstock, Schaller M-4 tuners with Gibson name stamped into the gear cover, two screw truss rod cover including model name, "LES PAUL TRIUMPH BASS MADE IN U.S.A." and serial number embossed onto back of headstock, volute on headstock back, bound rosewood 24 fret board with pearloid block fret markers, three pice laminated mahogany glued in neck, Honduran Mahogany contoured body with fine trim, two black plastic low impedance pickups including Gibson embossed logo and chrome surround, switches and input jack on large control plate, three silver top/black bell shaped knobs including numbers and words, three pole bridge, chrome bridge cover, molded tolex hard case including Gibson name and red interior.
For the first part of the year serial numbers were eight digits beginning with an "06" prefix embossed on the headstock back. In August Gibson changed it's eight digit serial number headstock dating scheme to: YDDDYPPP- The first and fifth letter indicate year of production. The second, third and fourth letters indicate the day of production within the year. The sixth, seventh and eighth letters indicate the manufacturing plant: 001 to 499 shows production rank at the Kalamazoo factory and 500 to 999 shows production rank at the Nashville factory. Gibson shipped a total of 101 Natural finish Les Paul Triumph Basses in 1977.