I actually think some of the AF2s are each from different cultures, especially the Paladin and White Mage sets. PLD and WHM look like they're from Zenith, with similar iconography and styles. the SMN set looks like it's probably later in Allagan history than the first AF. SCH may very well be a fashion design from earlier in Nymian history, as Surito Carito is still wearing the AF1, which would have been contemporary for his time. AST set is clearly still in use, and so is DRK and MCH, so nothing much there. DRG could very well be a new invention to assist in dragon hunting. MNK seems to appear even more Eastern than than the Near East, but not so far as Doma (not sure where it would geographically be then, since Xaela are all in what would fit that zone). NIN's probably newer or older Doman styling. WAR and BLM... are either something new, or something so old we should probably forget they existed...