The inscriptions come from three main locations, almost all probably having moved as spolia prior to deposition.
The first two stones come from the east (Tynemouth) but are thought to originate from Wallsend.RIB 1300: I(ovi) O(ptimo) M(aximo) / Ael(ius) Rufus / praef(ectus) coh(ortis) / IIII Lingonum('For Jupiter Best and Greatest, Aelius Rufus, prefect of the Fourth Cohort of Lingones (set this up).') Altar found 1783 at Tynemouth Priory. Now at Society of Antiquaries, London. Probably 2nd century AD. Source: RIB I p.430