How do we value our cars?

My insurance company is agreed value with a limit. I believe a car much over $10,000 requires a appraisal. I insured my Dart for $10,000 agreed value and had to include a few photos of the car, front,back,both sides and interior. I also included a shot of the engine. I pay $100 a year with no restrictions on where I drive. As I improve the car I will up the value and have it appraised as well. We all need to have a file that we keep info about our cars, what we do tho them, receipts,photos, and what other cars like ours sell for. When you're defending yourself against an insurance company you can never have too much information. I have Chrome. http://www.anpac.com/classic-car-insurance/