It probably should be worth that all day with the work that's gone into it but people don't want to pay a lot for Starlets these days. Best way to know would be to fix her up, chuck it up for sale and see what similar offers you get I suppose. End of the day you don't have to take a offer your not happy with so it's just testing the water. Shame you have to sell as its a lovely looking car. Good luck.
James