I'm lucky enough to have inherited 2 of them. Both build around the 1930's era. #1 belonged to my dad, it's got a worn nickel plated finish with a 4 inch barrel he carried as a sheriff's deputy back in 1938. #2 belonged to a great uncle and has a 6 inch barrel with a patina blued finish. Both are great shooters and have a killer smooth trigger that comes with age/use. They are both running Tyler T grips with the original diamond checkered grips. Since these are family heirlooms, they will keep their original finish.
That being said, it's your gun. Make it yours as you see fit and have a blast shooting it. Since it does have some age to it, be sure to have your gunsmith check it out. My 6 inch had a worn hand and the cylinder was out of time.
And I am severely jealous you found it for $100.