<https://theonlineportraitgallery.com/portrait/charles-ii-gonzaga-duke-of-mantua-and-montferrat-2/#product>
<http://schema.org/description>
"Reasonable condition. Paper with ample margins, but slightly browned and a bit soiled. Staining along edges. Some minor creasing. Verso: blank.\r\n\r\nNote: dimensions reflect the plate mark."
<https://theonlineportraitgallery.com/portrait/charles-ii-gonzaga-duke-of-mantua-and-montferrat-2/>