There is definitely not many with this kind of mileage and if its as clean as it looks including underside with all original paint etc it is worth £5K+ IMO
If i was looking to buy a Jordan and i had the chance of:
This Example for £5K+
VS
A higher mileage EX-modified (back to standard) with rust or re-sprayed for £2.5K
I know what i would buy! But thats the problem, who is looking to spend that on a 15 year + car when you can buy a newer car for less? Have to sit it around and wait for the right buyer, should get close to £5k if he can hold on to it for a long time