These HO-size cars were offered as a premium for Bonux, a French laundry detergent company. “87th Scale”mentions that most of the cars were made by Cle, but I haven’t been able to find any evidence to show that any were made by another other companies but Cle.

Courtesy http://www.kbickford.com/AlphaB.html

Built by / fabrique par Cle.