Martyrdom of Saint Catherine

The sheet, traditionally attributed to Giulio Benso, bears an unconvincing attribution; in light of more thorough stylistic analysis and precise comparisons, it has been traced back to the Sienese circle and, more accurately, reattributed to Pietro Sorri. A significant comparison can be made with the preparatory sheet for Purgatory held at the Pinacoteca Nazionale in Siena, which shares similar graphic characteristics: the nervous, tangled line work as well as the broad washes of color, distinctive elements of the draftsmanship of the artist, who trained under Domenico Passignano.