c. 1950's vintage american industrial reinforced heavy gauge steel two tier stationary step stool salvaged from the national sign co. factory, located in chicago, il. the heavy duty stepladder was likely fabricated by the lyon metallic mfg. co., aurora, il. the welded joint angular steel stool contains a cherry red enameled finish with expected surface wear evident. measures 20 x 22 1/4 x 28 inches.