Each legion had between 4,000 and 6,000 soldiers ... Image caption, This modern painting shows Roman soldiers at Birdoswald Fort (Hadrian's Wall). A centurion watches men training.

The Roman army was huge. It was divided up into groups called ‘legions’. Each legion had between 4,000 ... Presenter: The fort here at Vindolanda was the home to 800 soldiers and their job ...

Aaron Hammond of Timeline Auctions said: “These iron construction nails were crafted by the Roman 20th Legion under Governor Gnaeus Julius Agricola for the fort headquarters at Inchtuthil.