Well, I can advise you to clean up any grime that is on it, oil it to prevent any further oxidation Do not refurbish it. And above all else do not shoot it. It was your Grandfather's keep it as a keepsake.
thanks guys...what about a cosmetic fix to reattach the stock, so it can be a better looking wall hanger, or do you have any suggestions about how to enjoy it simply for its looks?