Abstract: This invention is an electrically illuminated sign, consisting of a rectangular box containing therein a fluorescent light; a cover for said box in the form of an open frame containing therein interchangeable and interconnectable plates which are stamped into stencil type numbers, letters, or designs, and blank plates which serve as spacers; and a translucent plate located behind said stenciled plates, through which the fluorescent light passes, to illuminate the stenciled characters.