A display apparatus is provided that includes a plurality of contiguously arranged adjustable mounting brackets. Each of the plurality of adjustable mounting brackets includes at least one adjustable bracket that is proximally and distally extendable and a set of contiguously arranged display frames configured to be interchangeably secured to distal attachment portions of the adjustable mounting brackets. The adjustable bracket of each adjustable mounting bracket is configured to adjust to a size of the set of contiguously arranged display frames such that edges of each display frame are in contact to create a contiguous arrangement of the set of display frames.