I'm no expert on
vexilla, but here are one or two thoughts that spring to mind.
Quote:Vexillum ... was there only 1 per legion?
As the detaching of vexillations was very much an
ad hoc business, it seems unlikely that legions had a set number of
vexilla. Probably, they were manufactured as required.
This theory might gain support from the fact that, in AD 69, the
vexilla of Vitellius' legions at Aquileia actually carried the emperor's name (Tac.,
Hist. 2.85:
vexillis nomen Vitellii praeferentibus, "the banners bearing the name of Vitellius"), so they must have been manufactured fairly recently. Likewise, the Moesian vexillation at Aquileia put Vespasian's name on their banners (Suet.,
Vesp. 6:
nomenque eius uexillis omnibus sine mora inscripserunt, "they inscribed his name on all the banners").
Quote:If a Coh had one, would it just say coh and the number? or would it include the legion name as well?
The only surviving example of a
vexillum has no wording. It simply shows a figure of Victory standing on a globe.
Also, as far as I remember, the Dura wall-painting showing the
vexillum of
cohors XX Palmyrenorum doesn't have any writing on it.
However, other evidence (including the Tacitus and Suetonius references above) suggests that there was normally writing on a banner. For example, sculptural representations of
vexilla often show the legion's name.
Where a cohort or cohorts were detached from a legion, we cannot say for sure what their
vexillum looked like. Perhaps it simply stated the parent legion. Perhaps it also carried the emperor's name (if this wasn't just a feature of the chaotic situation in AD 69).