An original colour slide from the estate of renowned Ferrari historian Jess G. Pourret, accompanied by a modern photographic print produced from the original transparency. The image depicts Ferrari 250 GTO chassis 4675GT, driven by Jean Guichet during the 1964 Spa 500 Kilometres. The original slide is annotated in Pourret's hand, identifying the chassis, driver and event. 

The transparency formed part of the photographic archive assembled by Pourret and was retained for use in the preparation of his landmark book, Ferrari 250 GTO, where it features on page 145.

An original working photograph from one of the foremost authorities on Ferrari history, capturing one of the final and most successful 250 GTOs in period competition at one of Europe's greatest endurance races.