original 1920s hard to find pressed glass semicircular-shaped exit light shade with bold embossed lettering

all original "roaring twenties" american art deco style wall-mount interior movie theater auditorium illuminated exit light designed and fabricated by or for the atlas electrical products company, brooklyn, ny. the late 1920's single electric flush mount fixture contains a hard to find and highly sought after semicircular-shaped pressed glass shade with slightly raised lettering.