update:
Took the weapon to Martin
Retting in Culver City.
The good news... the finish on the weapon is all original. It has not been re-blued or restrawed.
My next step is a trip to
Little John's Auction service, where they have already said they have an interest in purchasing (not sure if I am selling yet).
They will at the very least give me a good idea of the value of the weapon.