What do yall think this is worth?

A friend asked what I thought her mustang would be worth, although I know a bit about cars I do not know much about mustangs.
Some info:

1965 Mustang Convertible. 289 CID 200 HP V-8 Engine. Caspian Blue. White
Manual Top. 4 Speed Manual Transmission.

We are the original owners. We have all maintenance records. Car has been
garaged since we have owned it. Car has been in Miami since 1969. Mileage is
152,679.

Pictures: 1965 Mustang

Thanks!

Moved this to another forum, sorry, please delete