score:2
@Semaphore pointed out that Cassini maps are available on Wikimedia Commons. The combined map can be found here: https://upload.wikimedia.org/wikipedia/commons/c/c7/0_Cassini_Carte_France_cadr%C3%A9e.jpg
The rest of the category here: https://commons.wikimedia.org/wiki/Category:Carte_de_Cassini