Brain models of dove around 1960

Old and rare teaching material (display model, anatomical model) from the Zieglerschen series according to Prof. Dr. Wiedersheim "Brain Models of Vertebrates"; original around 1960; No. 3 - Columba Dove; Dimensions with stand: 18 cm; Condition: slight chipping in the lower area (see photos), stand broken but fixed; German Hygiene Museum Dresden - GDR; painted, probably made of plaster; light blue round stand; traces of use according to age