This is the hard to find pressure cooker in the Revere Ware stainless steel, copper bottom cookware line from the late 1940s to early 1950s. Solid and substantial in weight, it holds 4 quarts to the rim and measures 8-1/4" diameter by about 5-1/2 inches deep without the lid. My Mom used hers as a saucepan more often than a pressure cooker - it's large size and super sturdy quality makes it an excellent cooking pot.
The rubber gasket is present and in excellent condition with no nicks, dryness, or brittleness. The interior of the pot is clean and shiny. The copper bottom needs a quick polish but there is no burnt-on cooking residue. The exterior has some normal light scuffs and scratches from use and storage. The steel fortified Bakelite handles have no chips or cracks. The pot sits perfectly flat. The rainbow effect to the sides of the pot must be reflections, I don't see it as I look at the pressure cooker now.
1940s Revere Ware Copper Clad 4 Quart Pressure Cooker