group of three matching single-sided die cut steel "watch steps" cautionary or warning signs likely fabricated by the stonehouse steel sign company, denver, co. the brightly colored steel signs were salvaged from an old chicago hospital boiler room or labyrinth (now shuttered). the baked enameled finish remains in great overall condition considering age. each sign contains four screw holes with grommets for mounting flush against a flat surface. measure 10 x 7 inches. priced for the lot of three.