[kbinde2]

Sub-frame and floorboards generally finished with a "dull black asphaltum based wood preservative..alternatives Commercial drab finishes,, per Paint and Finish Guide. A rubber matting was most likely utilized also to cover the wooden floor-boards.
On my coupe I mixed linseed oil and a flat black paint and rubbed several coats to get the sheen (or lack of) that I wanted..kb