Abstract: A coffer for storing or holding numismatical coins, medals or the like comprises a plurality of U-shaped frames and a tablet in each frame, the frames being securely, but releasably affixed to each other and forming the side and back walls of the coffer, the upper and lower side of which is covered by a bottom, and cover wall respectively. The number of U-frames and tablets may be selected, and varied as desired. In a preferred embodiment a locking means is provided in each U-shaped frame, the locking means of the various frames being adapted to cooperate with each other, and a central locking means in the cover wall.