@Tom Gilchrist The last that I heard, RI RMV had adopted “Replica” as a category of special interest cars, along with Hot Rod and Custom. It often takes a while for the insurance companies to catch up. They may be more familiar with a Factory Five Cobra replica so maybe play that angle to get them to pay attention to it as a replica? I don’t know how the RI RMV handles emissions testing on a replica so I can’t offer anything for that.
I had Liberty Mutual on my car when I lived in Tiverton, but it was registered as a ‘69 VW Beetle Convertible. Also had Liberty Mutual when we came back to Mass. (still as a ‘69 Bug) but when I changed my registration to ‘57 Porsche Speedster replica they freaked out and dropped me. I ended up with Hagerty with an agreed value policy and have been happy, so far.