Display system with changeable display elements

Display apparatus comprising, in combination:

• a translucent display panel having an outer display panel surface;
• mat means connected to said translucent display panel, said mat means including a mat panel constructed of substantially light impervious material in at least partial registry with said outer display panel surface and disposed adjacent thereto, said mat panel defining a plurality of apertures spaced from one another and permitting the passage of light from said translucent display panel therethrough;
• and
• a plurality of display strips providing information to a viewer, said display strips being releasably attachable over said apertures, each said display strip including an outer peripheral portion which is in registry with the mat panel about the periphery of one of said apertures when said display strip is releasably attached over one aperture and a central portion in registry with said one aperture, said central portion of said display strip including translucent indicia for transmitting light emitted from said translucent display panel through said one aperture, said display strips being elongated and including means for aligning said strips relative to said mat means, said aligning means comprising a line formed on each strip adjacent an end thereof where said outer peripheral portion and central portion meet.