This number, which is handwritten inside the box, appears to be a depricated LLNL number.
overall: 3 1/8 in x 3 5/8 in x 2 3/8 in
The record contains a cardboard sales model of a UNIVAC high-speed reader unit. Printed on the front is a window, a control panel, and small door. There is a UNIVAC manufacturer's label printed on the machine. On the side is a card slot and on the back is a note reading "High-Speed Reader".
Gift of Lawrence Livermore National Laboratory (LLNL)