Their sofa,s in the late 50,s early 60,s nearly always had an exposed wooden frame,which was either Teak or Mahogany...their unit furniture,i.e. sideboards"Credenza"..to you, was, usually made of plywood, with a Teak,veneer,..the coffee tables were always solid wood, as were their dining tables,....but as the company moved into the 70,s/80,s, they started using..cheaper, boards for their units, but the price remained high, as the name was still regarded as the best,