A display system includes: a first upright oriented vertically; a second upright oriented vertically and offset horizontally from the first upright by a frame separation distance, the first upright and the second upright defining a display opening therebetween; a first clip bracket secured to the first upright with a first clip fastener; and a second clip bracket secured to the second upright with a second clip fastener, each of the first clip bracket and the second clip bracket including a base portion and a clip portion, the base portion and the clip portion defining an insertion slot, a main entrance of the insertion slot of each of the first clip bracket and the second clip bracket facing forward, the clip portion configured to hold a display panel inside the insertion slot, the clip portion configured to hold an edge of the display panel against the base portion.