The Iberians are distinguished ordinarily into three types of troops: Slingers, Scutari and lastly Caetrati. The Caetratri are like the Scutari destinguished by their shield. Where the Scutum is large and oval, this shield is small and round, in fact one might call it a buckler. Ordinarily the units would be light and agile, but this unit is different.
Here is another view of the unit.
I have spoken alot about the unusualness of this unit, and of the pose in particular. Well here he is.
The champion too is interesting, if not for anything else, then for the weapon he is holding.
The officer is the standard pose from the Orion set. Here he is, once again: