Perspective box of black lacquered wood with three painted glass plates: image of an indoor walking path, perspective case glass plate glass wood oak wood brass, handpainted Perspective cupboard made of black lacquered oak (circa 1875-1900). raised edge at the top of the back. On both sides metal hooks on one side brass knob to pull the box out of the storage box. In the closet at equal distances from each other three painted glass plates (circa 1775-1810): foreground center and background creating three-dimensional effect On the right side with white paint: 9 optics perspective glass painting diafanorama