A holder or rack for storing and displaying a plurality of flat box-shaped articles in a substantially vertical and mutual parallel arrangement, comprising at least two mutual parallel and laterally extending rigid beams spaced one above the other in the vertical direction by at least one rigid spacer member, the upper of the beams has a downward extending flange portion providing an upper abutment stop and the lower of the beams has an upward extending flange portion providing a lower abutment stop, each of the beams has on its front side a substantially horizontal and laterally extending projection defining a vertical gap between itself and the other projection, the lower horizontal projection has a substantially smooth and planar horizontal top surface defining a support ledge and the upper horizontal projection has an underside provided with a laterally extending groove adapted to receive and retain an elongated rubber-elastic member having in cross section a wedge-shaped lip portion projecting substantially vertical downwards from the underside of the upper horizontal projection when inserted and retained in the groove so as to form a grip or barb, which holder is characterized in that the at least one rigid spacer member is provided with a member for adjusting the vertical distance between the upper and lower horizontal projections.