largely intact vintage american industrial die cut steel "stop on red signal" railroad crossing cautionary or warning sign. original baked enameled finish with bold white lettering against an all-black background. the single-sided sign was salvaged from a railroad crossing located near a chicago trainyard. contains two large pre-drilled holes for mounting flush against a freestanding signpost. the sign was likely fabricated by the ready-made sign co., new york. measures 25 1/2 x 22 1/2 inches.