Property: Municipality of Ferrara. Provenance: Cathedral, Porta dei Pellegrini or of the Months; Santa Maria di Bocche from 1736; then Palazzo dei Diamanti, atrium; the upper part of the Cathedral Museum since 1929; the lower part is found in an "ancient safe" in the atrium of the Palazzina Marfisa in January 1934 and deposited at the Cathedral Museum