Portrait of Doña Isabel de Requesens, vicereine of Naples, formerly identified as Giovanna d'Aragona

AFTER GIULIO PIPPI, CALLED GIULIO ROMANO AND RAFFAELLO SANZIO, CALLED RAPHAEL Portrait of Doña Isabel de Requesens, vicereine of Naples, formerly identified as Giovanna d'Aragona with labels 'MAISON DE L'EMPEREUR/DOMAINE PRIVÉ DE S.M./no. 16' and 'N/TU[...]ERIES' (on the stretcher) oil on canvas 40 ½ x 33 ½ in. (102.8 x 85.1 cm.) in a Dutch 17th century carved and gilded Lutma frame, with imbricated fruit and acanthus leaves running from a sunflower cresting to a similar base