The Roman Army, 31 BC–AD 337: A Sourcebook

90 Pflaum, Carrières 32=Smallwood GN 283, inscription,
Ariminum, AD 66
The officers 51
To Marcus Vettius Valens, son of Marcus, of the Aniensis tribe, soldier
of the eighth praetorian cohort, clerk (beneficiarius) of the praetorian
prefect, decorated in the British war with Necklaces, Armbands, and
Ornaments, reservist of the Emperor, decorated with a Gold Crown,
centurion of the sixth cohort of vigiles, centurion of the Imperial
messengers, centurion of the sixteenth urban cohort, centurion of the
second praetorian cohort, trainer of the cavalry scouts, chief of the
headquarters, [centurion ?] of Legion XIII Gemina from the post of
trecenarius, [chief centurion] of Legion VI Victrix, decorated for his
successful exploits against the Astures with Necklaces, Ornaments, and
Armbands, tribune of the fifth cohort of vigiles, tribune of the twelfth
urban cohort, tribune of the third praetorian cohort, [chief centurion
for a second time ?] of Legion XIV Gemina Warlike Victorious,
procurator of Emperor Nero Caesar Augustus of the province of
Lusitania, patron of the colony, ten scouts (set this up) in his honour, in
the consulship of Gaius Luccius Telesinus and Gaius Suetonius Paulinus.
Beginning his military career as an ordinary praetorian guardsman, Valens passed
by way of a staff post, imperial reservist, and centurionates in the urban troops,
to the post of chief centurion in a legion, after which he acquired equestrian
rank, assuming eventually the important procuratorship of Lusitania.
Trecenarius—the meaning is obscure; in the urban troops, perhaps the
centurion in command of the speculatores, or possibly the title of the most
senior centurion.
91 ILS 2081=Smallwood NH 300, inscription, Matilica, Umbria,
2nd C.AD
To Gaius Arrius Clemens, son of Gaius, of the tribe Cornelia, soldier of
the ninth praetorian cohort, mounted soldier of the same cohort,
decorated by Emperor Trajan with Necklaces, Armbands, and
Ornaments for service in the Dacian War, aide (singularis) of the
praetorian prefects, officer in charge of the watchword, orderly (optio),
clerk in charge of the treasury, chief clerk of a military tribune, reservist
of the Emperor, centurion of the first cohort of vigiles, centurion of the
Imperial messengers (statores), centurion of the fourteenth urban cohort,
centurion of the seventh praetorian cohort, trecenarius, decorated by
Emperor Hadrian with an Untipped Spear and Gold Crown, centurion