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.