A display system (12) for attachment to a sill (14) of a window structure (26) has been provided. The display system (12) includes a mounting device (28) for attaching the display system (12) to the sill (14) of the window structure (26) and a display device (18) for attachment to the mounting device (26). The display device (18) is intended to communicate various information to the viewer of the display device and preserve or create more available space surrounding the window structure (26).