I would think it's 3559 The model number.

the link above you goes to a reference for different models, although there's not much on the 3559 my own TAMA is the 3563 there's a picture on the previously mentioned site and the details are:-


Model 3563

Well-seasoned, finest close-grained genuine solid spruce top

Simulated pearl inlays around the top and sound hole

Hand-shaped mahagony neck for ease in playing

Rich genuine selected, matched Indian rosewood back and sides

Vintage vine designed pearl inlay on highly ebonized fingerboard

Gold plated SMOOTH TUNER machine heads for precise tuning


cheer

PB