Runner stone for grater bowl. Neolithic, North Africa, 10,000 BC - 2,200 BC. H 13.5cm, L 29cm, W 8cm, large semi-circular object made of volcanic stone with a slightly rounded working surface. Intact. Provenance: Ex private collection P.V., Brussels, since before 1990; ex LeTallec Collection, France, since 1955.

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