Lot Essay
An adaptation of a detail from the Monte Oliveto alfresco in the Duomo di Orvieto. Cf. 'Signorelli des Meisters Gemälde', Klassiker der Kunst in Gesamtausgaben, Stuttgart, 1927, pps. 91 and 92. The figures on the plate are placed within the colonnaded building which is painted on another part of the fresco