Hi
RUST, Rust rust. That is what really decides the price. There will be some.

Check the sills, Bottoms of wings. Floor 'where it meets the sills', pull up the carpets. Under the battery tray ' that will be rusty', but how bad? Bottom of rear screen and windscreen, expect a little where the drain holes always get blocked. Bottoms of doors.
Anything can be fixed with the engine, gearboxes have problems with 1st/reverse gear, they are noisy but should not crunch, grind and pop out of gear.
Check the headlights are not rotten, RHD lights can be hard to find. Don't worry about mileage, these are normally fairly low mileage cars.
Is the car a Bis or aircooled?
Prices range from about £300 for a Polish or rough project up to £4000 for Ferrari editions (

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A usable car at the moment about £1000-1500