This Ford GT is unusual in that it was initially constructed as an open roadster. It is the ex-Targa Florio 1965 Works Prototype Ford GT40 Roadster.

Maxted-Page, a specialty and historic car dealer in Britain, is offering this exceptional car for sale. Even among Ford GTs, it is the rarest in existence--and has what must be considered a most unusual history.

Here's how Maxted-Page describes the car on their website:

GT/111 was the second-from-last of five prototype, open GT40 Roadsters built by Ford Advanced Vehicles Operations at their Slough factory during early 1965. The car was first tested at the 1965 Le Mans trials in April, driven by Sir John Whitmore and paired alongside the late 1964 works coupe GT/105 driven by Richard Attwood. Originally finished in White paintwork and on Borrani 6½ & 8-inch wire wheels, the new Roadster lapped the Sarthe circuit in three minutes 44.9 seconds, just behind the Coupe.

John Wyer then decided to enter a single works GT40 into the famous Sicilian road race, the Targa Florio, and felt that the Roadster would be a more suitable configuration to deal