I've had this old box for close to 5 years now, found it under some apple crates rusting away in a 60s school bus on an abandoned road (was used as a driveway) on my great aunt and uncles property. Always wondered about it and I've never seen another one like it and I've done alot of looking its a union super steel made in USA it has a model number but its worn off so I can't read it, I'll check again someday and see if I can make it out but its on a shelf with cans in front of it in my shop and its dark so I'll look tomorrow. Any help is appreciated, Thanks!