Requesting a research letter is the best way to obtain all of the information recorded about your L.C. Smith made from 1890 to 1950 - icluding the Fulton, Hunter Special, Ranger, and single barrel trap guns.
http://www.lcsmith.org/shotguns/researchdivision.html A reseach letter would be an appreciated Christmas gift. The letters usually go out the day after the request is received.