A retail display system is provided with a point-of-sale display unit sized to be received in a retail store aisle. A first and a second plurality of mirror panes are oriented within the display unit, which are formed from different material compositions. A mirror display assembly is provided with samples from the first and second pluralities of mirror panes to visually demonstrate the material composition difference between the first plurality of mirror panes and the second plurality of mirror panes. The mirror display assembly is provided with a support with a base. An image surface is mounted upon the base. A first sample mirror pane is mounted to the support and oriented at an angle relative to the image surface to reflect the image surface. A second sample mirror pane is mounted to the support and oriented at an angle relative to the image surface to reflect the image surface.