L(ucius) Sertorius L(uci) f(ilius) / Pob(lilia) Firmus / signif(er) aquil(ifer) leg(ionis) XI / Claud(iae) Piae Fidelis / missus curat(or) veter(anorum) / leg(ionis) eiusdem / Domitiae L(uci) f(iliae) / Priscae uxori
Translation:
Lucius Sertorius Firmus, son of Lucius, of the voting tribe Poblilia, signifer and aquilifer of Legio XI Claudia Pia Fidelis, then commander of the veterans of that legion (set this up for) Domitia Prisca, daugther of Lucius, his wife (and for himself).