Preform of a bifacial piece with planoconvex cross section made on sandstone. This piece comes from the site of Toumboura III (TMB III) in the Falémé valley (Senegal), Stratigraphic Unit UJ, Square A1, Number 22. It has been discovered during the 2017 excavation campaign.
Toumboura III (Senegal)
Copyright: David Hérisson (CNRS, UMR7041 ArScAn, AnTET)