Last Hadrian\'s Wall Units.

[Agraes]

At Castlesteads/Camboglanna was found an inscribed stone thought to be of VIth century date.

For Vindolanda:
- eathern bank piled against the fort's wall, a possibility of post-roman fortification
- annular and pennanular brooch found inside the fort, possibly from the Vth or VIth century
- outside the fort an inscribed tombstone commemorating the death of Brigomaglos, dated of the V/VIth centuries.

For Housesteads:
- another earthen bank
- inside the fort 'Anglo-saxon' pottery and metalwork

At Chesters/Cilurnum, anglo-saxon annular brooch of the VIth or VIIth century.

At Corbridge and Benwell, anglo-saxon pottery and brooch.

At South Shields, a ditch dug circa 400, and gate replaced, aswell as a find of an 'anglo-saxon' spearhead.

Source: An Age of Tyrants, by Christopher Snyder, pages 168-170.

This is interpreted as a continuation of military occupation of the forts, with germanic warriors beeing hired. That would fit the theory of the use of foederati against pictish barbarians in the Vth century by post-roman british power.