D(is) M(anibus)/
C(aius) Monnenius/
Secundus mil(es)/
c(o)hor(tis) XIIII urb(anae)/
(centuria) Claudi/
L(ucio) Monneni(o)/
Secundo fratri/
suo mil(iti) c(o)ho(rtis) IIII vig(ilum)/
(centuria) Lucreti Romani.
Translation:
To the shades of the departed. Gaius Monnenius Secundus, soldier of the Cohors XIIII Urbana, in the century of Claudius, to his brother Lucius Monnenius Secundus, soldier of the Cohors IIII Vigilum in the century of Lucretius Romanus.