Seen powering up the famous hill-climb over the long festival weekend, the P80/C (pictured) is based on the 488 GT3 race car, designed for a “connoisseur of the Ferrari world” who wanted a modern sports prototype inspired by some of the company’s great race cars of the 1960s.

But it’s just the latest in a small but perfectly formed club of Ferraris that have only been built once. Let’s take a look at them all: