American. 1920s. Features Nasturtiums floral pattern mosaic glass shade on a solid bronze base in Duffner & Kimberly's thistle pattern. Retains characteristic Duffner & Kimberly hearts cutout heat cap and bronze finial. There are a total of 12 panels exhibiting hairline cracks. The shade fits to the base tightly and properly with no “play”. See page 212, "Mosaic Shades Volume II" by Paul Crist. Shade 20" (diam.), 8" high. Base 23" high. CODE:LAM