GIBSON GA-5T Skylark (Third Version)
- similar to the GA-5 Skylark (Third Version) except has built in-tremolo, a four-tube chassis, preamp: 2 X 6EU7, power: 6AQ7, rectifier: 6X4, and six knobs (v, t, b, depth, freq., power), 4,993 shipped, mfg. 1966-67.