Hey dno!
Here is what I have on the G3T:
left-handed; body: Californian solid maple through neck: Californian maple with Indian rosewood fingerboard; 24 nickel silver frets; colour: black; 3 Select designed by EMG; 2 single coil size, 1 humbucker size; vol/tone; 3 mini switches: on/off; push/pull for Vintage-Blend-Sound; black hardware, Steinberger; fine-tuning-bridge; tremolo with trem-lock.
The model with the serial number 900128 was made in 1990.
This is some information on the B2A FL. Could that be the one you have?
headless bass; body: Californian solid maple; through neck: Californian maple with ebonol fingerboard; fretless; colour: black; 2 Select, designed by EMG; bass humbucker; active tone control, on/off; vol/vol/tone: treble/bass; black hardware, Steinberger; Fine-Tuning-Bridge
The model with the serial number C102594 was made in 1991.