Diana de Rosa

Diana de Rosa painting shatters auction expectations and redefines her legacy

A rediscovered Baroque painting by Diana de Rosa, a 17th-century Neapolitan artist and contemporary of Artemisia Gentileschi, has shattered auction expectations at Sotheby's, with her "Salome with the Head of Saint John the Baptist" fetching £317,500 ($436,086)—more than quadrupling its…