Interesting about the 12" Sharpes. The customized one has a passing resemblence, but the Cotswold one - from what I can see, has none.
I've seen good pics of the "soldier of the 95th" - the one named Dick and it's very well done, but isn't Sean.
A while ago, I linked a bust of "an office of the 95th" - which had an uncanny resemblance. LoL... but I bet they didn't have the rights to call it "Sharpe" :P