Art Deco Clock: What Is It? What Is It Worth? Antique Art Deco Clock circa 1940 ~ Painted slate with gilt highlights typical of the Art Deco style, which became popular in the & is known for its elegant, refined materials & geometric forms ~ Made Art Deco Stil, Art Deco Home, Art Deco Era, Art Nouveau, Radio Antigua, Antique Clocks, Vintage Clocks, Antique Art, Vintage Art