1)Gurjan plywood 2)Face and back: okoume,bintangor,birch,black walnut,sapele,beech,cherry,ash,oak,teak,maple. 3)Glue: MR, ... poplar , hardwood,birch ,combi face and back okoume,bintangor,birch,black walnut,sapele,beech,cherry,ash,oak,teak,maple glue E1,E2 ...