1993 was the first year of rockhopper fs, with specialized future shock based I think, on rock shox mag 20. The group set would be exage es or exage lt.
It's been relisted with a bin of £125 http://www.ebay.co.uk/itm/alpinestars-c ... 4ab3f464d5, Quite strong pricing for a bike with a stuck seatpost, that looks difficult to remove.
http://www.retrobike.co.uk/forum/viewtopic.php?p=815937&sid=6e2ea25b0528d8f52d418594ecd79015 If your chain set is one of these then you will really struggle to find replacement chain rings due to there contruction and bolt diameter.