not sure whether it is called bowling ball or pearl, but it is a beautiful kit.  pictured is the wrap seams on the floor tom, as well as on the kick drum.  the bottom wrap on the kick drum as pictured has slight wear and tear but overall the drums are in good condition.  all clear maple interiors, includes mufflers, all original hardware and a single arm tom mount (which uses a hex screw on the bass drum end - non original).  60's 70's 3 ply with re-ring reinforcement.