Page "Roman Britain" Paragraph 62

Imports to Britain included: coin ; pottery, particularly red-gloss terra sigillata ( samian ware ) from southern, central and eastern Gaul, as well as various other wares from Gaul and the Rhine provinces ; olive oil from southern Spain in amphorae ; wine from Gaul in amphorae and barrels ; salted fish products from the western Mediterranean and Brittany in barrels and amphorae ; preserved olives from southern Spain in amphorae ; lava querns from Mayen on the middle Rhine ; glass ; and some agricultural products.

Britain ’ s exports are harder to detect archaeologically, but will have included metals, such as silver and gold and some lead, iron and copper.

Other exports probably included agricultural products, oysters and salt, whilst large quantities of coin would have been re-exported back to the continent as well.