This is a metal file box full of used address plates. The box is lined with faux leather and has a faux leather handle. Inside the box is about 30 address plates. The box measures 3.5" (h) x 5.75" (w) x 11" (l).
Note: The third number in the trinomial was missing. This may be 1984.6.3 or 1984.6.5 instead.