Just picked up this gorgeous red enameled cast iron pan with lid from an antique store and I'm curious about the make and age of the pan. The only mark on it is a letter R with a crown (located on the bottom of the pan). The pan and lid are red enamel, but the inside of the lid is white enamel, the inside and bottom of the pan are natural cast iron, and the handle is wooden. Here are some pictures to help with identification. Any help is appreciated! Thanks!