Welcome to the forums.

I know they're Swiss, that's about it. If you're looking for an estimate of value, you'll need to post this in the special Valuations section. In any case it would be great if you could post some pictures (and essential if you're looking for a valuation). To do that you need to upload them to a site like Flickr or Photobucket, then copy the link and paste it here using the icon that looks vaguely like a frame.

There's also a frame swap thread if that holds any interest for you.

Sounds like a very nice bike.