Thank you all, very much, for your feedback, since our inquiry. We just learned that our agent for homeowners (w/Safeco) writes for Hagarty also. They gave us a quote for our Crossfire and we will likely meet w/them to work out the details.
We don't foresee a problem w/mileage and it will be nice to know that Geico would not be low balling us w/some inaccurate "blue book" number due to accident.