More Title Issues

Help me please! I have a 65 Barracuda I bought in Virginia a few years ago, I received a Florida title with the lady's signature on it. I never had it switched to my name because of an accident I haven't been able to work on it. Yesterday I sold the car to a friend of mine who wants to restore it. We go to the North Carolina DMV and the clerk drew a line through her signature on the front and wrote open assignment / void. She never signed the back of the title. I looked her up and found she still lives in Auburndale, Florida. She doesn't have a known phone number. I do not want to do anything illegal, but I want to get a title for my friend. Do I simple write her and ask for her help or do I need to hire a lawyer in Fl. to help.
thanks for your help.