Part of a pottery bowl with single rounded rim, from Glenluce Sands, Wigtownshire, Late Neolithic

Pottery bowl, from Hanover, Lower Saxony, Germany

Pottery / bowl / damaged, from Hanover, Lower Saxony, Germany

Grey carinated bowl, decorated round the neck with continuous horizontal lines below which are festooned groups of concentric semicircles, damaged, from Hanover, Lower Saxony, Germany

Pottery bowl, from Hanover, Lower Saxony, Germany

Pottery bowl, from Hanover, Lower Saxony, Germany

Pottery bowl portion, from Hanover, Lower Saxony, Germany

Pottery bowl, small, fairly straight sided, coarse blackish ware with ornamental vertical streaks, from Hanover, Lower Saxony, Germany

Flat-bottomed rather straight sided bowl,decoration of shell-edge impressions imitating Corded Ware, from Denmark

Pottery bowl, from Denmark

Pottery bowl, from Denmark

Large pottery bowl with triangles of incised lines, from Unstan chambered cairn, Orkney, Early Neolithic, 3600 - 3000 BC

Decorated shouldered bowl, from Limekiln chambered cairn, Clachaig, Arran, North Ayrshire, Early Neolithic, 3800 - 3500 BC

Pottery bowl, from Sliddery Cists, Sliddery Water chambered cairn, also known as 'Oscar's Grave', Arran, North Ayrshire

Shouldered pottery bowl, from Chamber 1, Glecknabae chambered cairn, Bute, Argyll and Bute, Neolithic

Sherd of pottery, from Calf of Eday chambered cairn, Eday, Orkney