To answer some of your questions, these are pretty rare. I have been going to car shows with my grandpa since I was very little (5-6) and have never seen another one like it until I saw your pictures. (I am now 50) Mine Is all original still so I don't know if the value would be much different but my insurance guy restores old cars and said it would be worth 10K-15K. I still have a lot of the original paperwork with mine also since my grandpa kept everything about this car. My grandpa has been gone for some time now and the car has been sitting in my barn, it still runs but I need to figure out how to adjust the brakes for the pedal goes to the floor when it's driven. Would love to talk to you some time.
Rob