Four large lightboxes: 48" x 72" x 5.5" (122 x 183 x 14 cm.) ea. / for sale individually or as a set of four / originally used to display back-lit transparency photos (Duratrans), N.B. lightboxes do not come with Duration artwork / used in one exhibition only / brushed-silver single-sided light boxes with snap frame faces / boxes come with switch, electrical cord, ballasts, bulbs and 1/8" transparent acrylic insert / for artistic or commercial applications / indoor use only / $850 ea.