I had one just like it. It came off a ship commissioned in the late 40's. The drawers in the bottom have Snap On like slides. At one time I believe Snap On farmed out their tool boxes and did not have a name on them. Mine had all the spot welds drilled so they could squeeze it together and get...
I just purchased a 5 drawer waterloo tool box with a tag on the front that says Waterloo Valve Spring compressor Co. Cant find a date code. It is green with red drawers. I will post pictures when I figure out how