The bike was sold to me by an ex pro racer more than 20 years ago. Upgrades will be the following :
-Mavic CXP 30 with Campy Chorus 8speed hubs
-Campagnolo C-Record SL-01RE CG Shifting Lever / 8 Sp / 77g
-Campagnolo Record EXA Drive Cassette / 8 Sp / 14-26 / CS99-RE0833 / 331g
-Campagnolo C Record Front Derailleur / Braze on / A021 / 1994 / 104g
-Continental Grand Prix 4 seasons 700*23c
-2 slime tubes
-new brakes cables
-new campy record exadrive 8 speed chain
Then ride it
The value for the Castorama Maxisport Raleighs is very high, just check these ebay links
Raleigh Castorama Maxisports ,
Raleigh Castorama Maxisports 2