The 365 GTB/4 "Shooting Brake" was built in 1975 as a one-off based on a 1972 Daytona. Luigi Chinetti Jr. came up with the idea for architect Bob Gittleman; the car was supposedly intended for hunting trips. It was converted in Great Britain by Panther Westwinds, with only the windshield frame retained from the original bodywork. The barrel-shaped rear was modeled on a Volvo prototype called "The Rocket," which Pietro Frua had built in 1968. Despite interest from several parties, it remained a one-off.
Summarized from the sources cited below; every figure in the text was automatically verified against the sources.

1968
1971
1972