original and and intact mid-20th century clean and compact "asco" fully enclosed filing box or cabinet designed and fabricated by the acme supply company, chicago, ills. the hinged top box strongly resembles a large text book, with the spine containing embossed lettering and a finger tab with placard holder. the portable cabinet is held together with a single clasp. the brushed and sanded metal finish has been sealed with a clear coat lacquer. only one available. measures 11 x 3 x 12 1/4 inches.