It is what it says it is, a Tool kit, Carpernters Engineer squad, Authorized for most units by the Common Table of Allowances. It's just missing the contents.
I would believe it's after the 60's, only because it has a social security # with name, and not the older "serial" numbers. The year the change from one to the other can be looked up on-line. Right now I just do not remember. I do know that my own # was my SS# in 1969.