1906 22 Savage Octagon Barrel Info needed

i inherited this from my Dad,he got it from his Dad in the 50s. need a idea of its value if any, he wrote his name on it and welded the back site? has a new clip.old one is worn out.i havnt shot it in about 50 yrs,,been in a case since Dad got it. ,i believe its registered too,thanks email me if know about this 22 kenvb@telus.net