The object consists of a model of a IBM 2311 disk drive, which was part of the IBM 360 systems. Construction appears to be plastic cast around wood with added details. Model depicts black cabinet with red front and container on top with circular component inside. The upper right corner on the top is partially detached and lifted.
When selling large, expensive computer systems, many manufacturers created salesman models to help customers visualize what they were buying as well as to assist in planning where and how to install these complex room-sized computer systems.