Steinesammlung

Wir danken ...

            M. Boll
                                                   B. Middell                                E. Baltes
                     J. Beissel                                             P. Glückmann
                                                    J. Scheffler  
                                 C. Valberg                                 G. Baltes
             C.&E. Ekolow                           A.&T. Günther