Abstract: A changeable display apparatus including segmented display character members hingedly supported on a frame, the hinges having flanges mounted to the display character members to enable the display character members to lie substantially flat against the frame in a display position, and latching means for clamping the display character members in the display position and for selectively unlatching and rotating desired display character members during display changes.

Abstract: Changeable copyboard apparatus for mounting changeable flat display image bearing characters, such as Oriental language characters, to a copyboard including transparent brackets for mounting the characters in a plurality of discrete display positions aligned in a series of vertical columns on the copyboard, the brackets including paired channel members with longitudinal channels and paired corner retainer brackets with corner channels mounted to the copyboard surface to define each discrete display position and further including convex surfaces enabling the flat display characters to be readily slidably inserted into the display position and restrained from substantial movement.