Bob W, that number is from the upper, larger tag (barley visible in the 2nd pic) The second number from the smaller lower tag is..
willys
cj3a body
14032
willys overland motors inc Toledo ohio usa
They are both galvanized steel not brass, the "4x4" instruction plate on the inside, passenger side is steel also.
There is a number on the tailgate hinge ,lower left but it will need some cleaning and better eyes than mine!
To BJG, glad you like the willys....silly girl