Adam it's like ..how long is a piece of string. ..
But if it's all genuine and never been crashed chassis is not damaged body work is no rust no dents my thinking is starting from any where ...you only need 2 interested people and could end up way above what you are thinking ....but then you could put a ridiculous price on it and it will just stay in your possession ...so
I'd drive as is looks very nice ...but definitely not be spending
40 k plus minimum restoring it then have these big expectations and be stuck with it. Only be doing it up if you intend on keeping it.