Oak, transparent stain, veneers, pivot-hinges.
For the door of the cabinet, I sketched out a little mountain scene and transferred it to velum.
For top secrecy, the door is opened via a touch-latch and opens on pivot hinges. The body of the cabinet and the door frame are in Red Oak. I cut the frame out of the body to achieve a quarter-sawn figure and booked the grain.
Keyhole slots provide invisible mounting.