The original image is on the left (Courtesy: Rijksmuseum van Oudheden, Leiden)
In the middle, the Leiden bust is digitally restored using the face of the Tusculum bust. On the right you can see my lifelike rendering of the bust. Actually, the bust is one of two marble heads of Caesar that we can see at a page of the Rijksmuseum van Oudheden. It is the national archaeological museum of the Netherlands, located in Leiden.
In the above image, th restoration was based on the face of the Tusculum bust, BUT we have other protraits of Caesar that we can use. One is the Chiaramonti Caesar.
Here the result in the following image.
