A car can be restored, so to most it won't bother them. I know if I won the lotto I'd bid for it and just restore it.
What you can't replicate is 1 owner under 10k miles.
Nick would know better than most, so would be intrigued as to what he thinks
But the fact it's not moved for nearly ten years, and not been stored in the best conditions, could be a can of worms.
If you bought it for £20k you could sink 5-10k I don't think it's worth £30k after?