Flint point, or flare of brown flint, point artifact founding flint, mined Small point of flint from the stone age or bronze age. brown flint. Unclear in form and possibly only an exit and no finished end product archeology Rotterdam stone age prehistory Hillegersberg Vlaardingen culture Soil discovery Rotterdam found in Hillegersberg on the eastern edge of the Kerkhof north of the entrance at the plantation 1958-1959.