La nuova Ferrari 4 porte - quattroporte

This blogpost had a French magazine (Auto Hebdo) with an article about Ferrari which included some spionage photo's about a potential 4 door prototipo: 

https://erwin400.blogspot.com/2021/07/magazine-auto-hebdo-1987-numero-horse.html

I now got ahold of this Italian magazine Starter which also reveals a few photo's on the same car (however without the 412 rimms)

Click the photo to enlarge: