French says: “autochenille citroen munie de propulseur Kegresse-Hinstin, ayant fait la traverse du Sahara, Mission Haardt Audouin-Dubreuil.”
Translates to: “citroen autochenille equipped with propeller - Kegresse Hinstin , having made the crossing of the Sahara Mission Haardt Audouin -Dubreuil/”
5.5” x 3.5”

694/7

3/D/037 - Box 1