I don't recognize it but there are many here who know a lot more about Rangeley boats than I do. You may want to get a copy of The Rangeley and Its Region: The Famous Boats and Lakes of Western Maine by
Stephen A. Cole as described at
https://www.amazon.com/dp/0884482952 and elsewhere. Check the inside stems under the seats for a serial number as described at
http://www.wcha.org/forums/index.php?threads/791/ since Kennebec and many other manufacturers also made similar boats. Good luck and let us know if you get any better ideas,
Benson