At first glance you may think the car pictured here is the 2019 championship-winning Mercedes W10. It's not. This car never raced.
Its own designers barely remember signing it off. And yet it played a fundamental role in Mercedes' sixth consecutive drivers' and constructors' title doubles. Such is the way of modern Formula 1.
Think back to the beginning of the year and the first rush of excitement as the latest crop of cars hit the track for pre-season testing in Barcelona.