Stone battle axe of polished basalt from the River Tay at Mugdrum Island

Hammer of polished basalt from Lough Erne, Fermanagh, Northern Ireland

Carved stone ball, with 14 triangular and circular low knobs, from Newburgh, Fife

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Roughout in form of an unfinished axe of basaltic rock from Northern Ireland

Carved stone ball from Skara Brae, 3200 - 2500 BC

Basalt stela fragment with figures representing a priest, Wahibre, and his father, Pedihorresni, standing within a naos, wearing Persian dress: Ancient Egyptian, Lower Egypt, possibly Sais, Late Period, 27th Dynasty, c.521-405 BC

Upper part of a basalt statue of a man wearing a striated wig, parted in the middle and falling to the shoulders, possibly cut from a seated statue: Ancient Egyptian, Old Kingdom, probably 5th Dynasty, c.2494 - 2345 BC