I myself don't think it's a Lavro, too steep of a bow angle but I suppose it's possible. I'd ask Lavro - call and discuss then ask to send photo's. If it's not theirs they may know who made it. But I suspect it's a native of your land, some one that tried to make a go of it in a limited market, most likely in the mid to late 70's as glass boat popularity really took off... The half round seats should be the identifier. I've never seen anything like them. It could also potentially be a "east side drifter" (or something like that, I believe made outside of seattle but long out of buisness - I think they had rolled gunwhales and a steep bow.
Value is totally market driven, it may be worth 2k here in MT, cleaned up and in fair condition. In the PNW it would probably be worth half that, much greater supply and lower demand for old boats. In VT, I'm guessing demand is very low and it will simply depend on finding someone that wants it (and knows what it's designed for).
Good luck with the restoration. Once complete you'll have yourself a nice craft!
Yesterday's gone on down the river and you can't get it back. - Agustus McCrae