This metavolcanic pitted hammerstone  is from the Northern Tablelands of New South Wales.  The artefact was returned to the Anaiwan People by a collector, and it was returned back to country after the 3D model was made.

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This circular hammerstone has pits in the centre of both faces and a broad band of percussion wear around the periphery.  It was deliberately shaped for use by expert hammer dressing (pecking).  The precise function of this pitted hammerstone is unknown, but it may have been used in processing plant foods.