Abstract: A display apparatus includes a chassis frame and a housing. The housing defines a storage compartment with an inlet and an outlet for storing a plurality of display envelopes in a substantially parallel configuration. Two endless drive belts are located over corresponding pairs of roller spaced away from each other at opposing ends of the chassis frame. The endless belts each have a silicon-coated bearings face and a corresponding undulating wave spring secured to the chassis frame for urging the bearing faces of the drive belt against the surface of a display envelope while located in the presentation area. The drive belts are operable to draw the display envelope along a predetermined trajectory through the presentation area and into the inlet of the storage compartment.