QUOTE(jlueke @ Oct 5 2005, 07:53 PM)
I guess my primary interest lies in what were the specifics for the profile changes, especially for the Romans and then later the Europeans.
To associate and differentiate from otehr types is likely correct, but WHY did they feel the need to differentiate at that moment in time?

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I would think that, as with all things, they do it because it can be done, until doing it another way does `it' better. Technology, knowhow...purpose. All these things change and i suppose patterns of frontal image / profile / frontal etcetera reflect those societal changes. There may be a pattern but i suspect that the little fish follow the big fish until such time as they wish to be seen to `differ' (for whatever reason).
If you want the nymph `Larissa' retain her beauty, then you would have to take all the coinage out of circulation after a few monthss because her nose gets worn so fast that she looks more like a proboscis minkey than a nymph. So doing her feature `frontal' was not for practicality but as a statement of pride and ability (and prosperity). When you go from coinage as an art form and display of `we do it because we can' to coinage as being a commodity we see `durability' playing a part. When we see a thorough depreciation in value ()as per late Byzantine)I think we see a deterioration in purpose to being even more `cost effective;' hence from a featured `profile' to a featureless` frontal'. It has gone from being a prideful expression of `indentity' to a base metal `commodity'. Of course, | could be wrong....
Ian The Cinical