4340-3960 BC.
Neolithicum midden A: 4200 - 3400 vC
Gebroken barnsteen kraal gebroken bij de doorboring.
S3-907567
Batavialand
Barnsteen doorboord
Devriendt I.J.A.L.M (Izabel):Swifterbant Stones-The Neolithic Stone and Flint Industry at Swifterbant 2013. Raemaekers, D. C. M., 1999; The Articulation of a 'New Neolithic'. The meaning of the Swifterbant Culture for the process of neolithisation in the western part of the North European Plain (4900-3400 BC), Leiden.