Provenance unknown found before 1607 rendered IMP CAESARI T AELIO HADRIANO ANTONINO AVG PIO P P VEXILLATIO LEG XX VAL VIC F PER MIL P III Translates as ” For the Emperor Caesar Titus Aelius Hadrianus Antoninus Augustus Pius, father of his Country, a detachment of the Twentieth Valerian and Victorious Legion completed (the Wall) over a distance of 3000 paces” RIB 2173 – Reddish Buff Sandstone
date: 139-61