Stamped in white on top of each of the connectors.
Scratched into the metal plate on the front along the edge with the extraction levers.
overall: 9 in x 15 1/4 in x 1 1/8 in
The object consists of a wire wrap board containing integrated circuits and capacitors. There are five handwritten labels on the component side and one on the wiring side that list dates and wiring change infomation.