A California Pottery Center Bowl with a Shell Shape produced by Maddux. The Maddux Bowl would also make an excellent Pipe Ashtray. The California Pottery Bowl is white washed Gold and measures 13 3/4 inches long, 9 inches wide and stands 1 3/4 inches tall. The Bottom is marked: "Maddux", "Calif.", "739" and "USA". It is in excellent condition. There is a small black dot in one of the grooves that is under the glaze.