late 1920's or early 1930's antique american art deco style cast brass chicago apartment building flush mount peep hole plaque with integrated doorknocker

intact all original and nicely patinated american art deco style c. 1920's-1930's antique ornamental cast brass interior chicago apartment building "speak-a-view" combination peephole opening and plaque with fanciful integrated doorknocker, name and/or, apartment number. the decorative door hardware backplate mounts flush against the surface of the door. the swinging knocker is in working condition. the highly stylized art deco designed motifs are found throughout. designed and fabricated by the hoover howe products co., chicago, il. the peephole backplate measures 3 x 6 1/2 inches. similar art deco style door knockers available.