Ok been out to the garage;
The sticker is from a Bike Shop in Douglas - there is no frame tube type label - must have been washed off at some point I guess.....
The serial number is A1094?43 where the ? is a 2 or a 3 - can't make it out.
I was dating it as a '91 as AndyR was around when it was bought and that was the year he gave me - could be a very late '91?
Any date info from an Orange guru would be appreciated.
Aha! A109 means the frame was built over there t'other side of the planet in September 1991. So, when would it have found its way over here to go on sale? Was it the last of the 91s or the first of the 92s?
Stylistically it looks like a 92 with the seat stay joining the seat tube at the level of the bottom of the top tube. Previously the join was below. Andy could well have bought it in 1991, but you could go in the same shop tomorrow and buy a 2011 bike.
If it is a 92 model, I think it is probably made of Tange Prestige Ultimate Superlight. I don't know exactly when they went over to using Superlight, whether it was for all 92 models or during 92, but every 92 Prestige I've seen that had a tubeset badge had a Superlight badge. e.g., this one.