A Wikipedia article - Croisière Noire , translated from French into English, describes the first trip as follows:
The Black Cruise , which runs from 28 October 1924 to 26 June 1925 , also known as the "Expedition Citroen Centre for Africa" or "2 e mission Haardt Audouin-Dubreuil, is one of the expeditions set up by André Citroën to increase awareness of its brand and to open a regular motor on the African continent . Indeed, although some browsers, like Felix Dubois in 1898 , tried testing vehicles in Africa, the results are inconclusive as the idea has remained in draft 1 .
Beyond mere advertisement, it is also an expedition to reach political, cultural and scientific. Cruise black and compensates the project's stagnant "Transsaharien" using, as noted by André Citroën in 1925, with lower initial investment and a shorter duration.
The official Citroen website has a short video clip and trip description available:
Here are a few photos from a Google Image search. Additional photos are available.
Thanks for the Expedition Portal for first listing this unique trip. Here is the first video:
The Black Cruise (La Croisiere Noire, Cine Zoologie) Art Poster Print - 24x36