I have this desk and finally got around to cleaning it up some. As you can tell from the photo it has a formica top with white painted plywood on the underside of the top.
The drawers have metal guides, but are wood interior with a high gloss white paint on the bottom of the inside of the drawer. There is a removable white divider in the top two drawers, dividing the drawer into two spaces-roughly 30% in the front, 70% to the back.
As you can see, the side of the drawer bank has the teal formica side, but the back side and inside (where your legs would go) of the drawer bank are stained walnut, like the drawer faces.
There are no markings aside from when all the drawers are removed, the underside of the desktop has written 12-64, designating december 1964 I presume, and a blue stamp with letters vertical reading "JWPC". The only thing I can find that represents those letters is the Joint War Plans Committee.
The legs are painted steel (I think). And it appears, from holes on the underside of the top, that this was part of an L-shaped desk unit, or something of the sort.
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