the finish --- several coats of polyurethane

left-hand pic, African mahogany backed by padauk, backed by kingwood; bottom is obeche backed by padauk
right-hand pic, from the right: African mahogany, purpleheart, 3 plys of hard maple veneer, aromatic red cedar with sapwood, hard maple, zebrawood, padauk, hard maple veneer, purpleheart. Horizontal on the left is African mahogany then two pieces of red oak. Dark wood on bottom is zircote.