I own an s type roll top desk of my great grand fathers purely made of rose wood.Its shutters are of tambour style with canvas lining at the back. The joints are of dovetail pattern. The drawers run down to the floor. It has Muti usable spaces including secret chambers, chests, pouches, drawers, writing pads. Ther is an inbuilt secret lock at the back of the drawers .There is an intricate floral carving in the center piece.In left side it contains a small shelf in which serve for storage purpose.