2 questions re '64 Dart

Going to see a '64 Dart convert for sale. Have a bunch of pix.. had questions on the two attached

Trunk pix -- has primer. They came from factory with trunk painted whatever the exterior color was? I'd be having this car repainted.

Engine pix -- has some kind of aftermarket fan in front... what's that about?

From pix, body looks good, but where should you most check for rust?

Thanks,
RB