VTG Le Creuset France “E” 4.5 Qt Ribbed Flame Orange Enameled Dutch Oven Pot Lid

Up for sale is a VTG Le Creuset France “E” 4.5 Qt Ribbed Flame Orange Enameled Dutch Oven Pot Lid. The pot is in good condition NO chips out of the enamel inside the pot just a little staining and i'm not sure what to use to remove it. Please e-mail any questions you may have, I have more pictures if needed. Thank you!