Police are now investigating a golden cookie that turned up last week hanging on a red ribbon around the neck of a horsestatue in front of the city's Leibniz University.
Donatello also produced the show's most dramatic work, the monumental 2.7-meter-tall bronze horse's head known as the Carafa Protome, the sole surviving element of an unfinished equestrian statue, paired here with the smaller 4th-century B.