The following are 2 pages of advertising from Citroën.

This add is address to the potential car dealers. The goal of this publicity is to influence a car dealer to represent Citroën and sale Citroen's cars.
Citroën pushs 8 points that would clearly benefits a potential dealer to start a Citroën Dealership.
Franchises are very popular in the United States ...
Basically Citroën sought to expand its empire ... and sought to interest the dealers to sell the DS or ID.
I do not know if Ivan was very motivated after seeing the ad, since his passion for the DS went back to longer ...