In Portrait of Laura Dianti, how is the Badge of the Iconography elucidated?
She wears a hat badge with a figure in red, which historian Paul Kaplan states is a color often associated with St. Jerome. This badge can be considered a  reference to her other name, Eustochia. However, art historian Peter Humfrey argues that because of the lack of a cardinal hat on the figure, it could not be St. Jerome and that the figure is non-representative.
St. Jerome Jerome