It was Serge Dassault who bought the Mirage III

A Mirage III put up for sale by Besch auction house has been sold to Serge Dassault, CEO of the Dassault Group.

Dassault Mirage IIIE, France - Air Force AN1192145

The news report said he plans to install the plane on a roundabout in Corbeil-Essonne, of which he is a former mayor.