This man is styled iuridicus Britanniae or 'Administrator of Justice for Britain' on a Roman inscribed stone recovered on the continent (vide ILS 1151 infra). This curious title implies that Calpurnianus was not the governor of the province (legatus Augusti pro-praetore), but was here in some legal or administrative capacity, perhaps laying the groundwork for emperor Severus' grand plan to split Britain into two separate provinces Britannia Superior / Inferior, which actually came to fruition c.AD212. Another school of thought is that Calpurnianus was assigned to Britain in order to relieve the governor Virius Lupus of the backlog of legal cases which had built up due to the bringing to trial of all those implicated in the recent revolt of Albinus.
Since he was only an acting governor, it is no surprise that no inscriptions on stone have been unearthed in Britain to confirm his jurisdiction.
| M ANTIO CRESCENTI CALPVRNIANO COS PROCOS PROV MACED XVVIRO S F IVRID BRIT VICE LEG LEG PR PR PROV CVR R P MARS[ORVM MARRVVIOR] PRAET |
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|---|---|
| Dessau, Inscriptiones Latinae Selectae - Titvli virorvm et mvliervm ordinis senatorii ILS 1151; CIL VI 1336; Roma | |
With regard to the translation of ILS 1151 above, it is possible that the text VICE LEG has a double meaning; vice legatus may be read 'like a legate', suggesting that his powers in Britain were confined to that of a legate, presumably of the governor, but the phrase may also mean 'victorious (or successful) with a legion', which suggests that he may have won a military victory (or victories). However, any victories won in a province would be assigned to the pro-praetorian governor, so this double-entendre may be Crescens way to claim successes in Britain during his stint in the province. It is also noteworthy that the name of the governor under which he served has been excluded; perhaps intentionally, in retribution for a personal slight?
