nicely patinated original american art deco style c. 1920's-1930's antique ornamental cast brass interior chicago hotel building "speak-a-view" combination peephole opening and plaque with fanciful integrated doorknocker, name and/or, apartment number. the decorative guest room door hardware backplates mount flush against the surface of the door. the pivoting knocker is securely attached and fully functional. the highly stylized art deco designed motifs are found throughout. the circlualr-shaped peephole cover and surround and intact. great overall condition. the american machine age chicago hotel door hardware was designed and fabricated by the hoover howe products co., chicago, il.