Flake Pleistocene, Late Palaeolithic (Alleröd - Younger Dryas, GI-1a - GS-1)
Villemaur-sur-Vanne : 2D documentation Cretaceous
Villemaur-sur-Vanne : 3D documentation Cretaceous
Świeciechów flint : 3D documentation Turonian
Świeciechów flint : 2D documentation Turonian