Art Deco slip shade wall sconces manufactured by Lincoln, circa 1920-30. The model is from the Fleurette or The Nile Group Series 8400 line. Each sconce features light amber or peach satin glass shades with a deeply molded surface design. The fixtures are crafted from cast aluminum with a restored polychrome or gold-colored finish. Dimensions are 13 inches high, 7 inches wide, and 5 inches deep. Markings on the reverse read Lincoln, 10639.