Abstract: The invention relates to a support plate 2 for receiving a presentation object wherein the support plate 2 has a useful surface 4 for attaching the presentation object and a rear side 6 for attaching connecting elements 8. A detachable connection between two support plates 2 can be produced with at least one connecting element 8 per support plate 2, with at least one connecting element 8 being arranged on each support-plate edge 10. In such case, the connecting elements 8 are integrated in the rear side 6 of the support plate 2 such that, if the connecting elements 8 do not enter into any connection with a further support plate 2, they are not visible from the useful surface 4. Further, the invention relates to a support-plate composite 34 which has at least two support plates 2, and to a method for connecting at least two support plates 2 according to the invention or for producing a support-plate composite 34 according to the invention.