my aunt recently gave me her husbands old .410 (believe its a stevens)that his grandpa gave many years ago. its it real bad shape and has rust and pitting everywhere but i said id do my best to clean it up. whats going to be my best bet to clean it up. ill try to have pics up tommorrow morning (forgot my camera downstairs and im to lazy to go get it now )

where can i find information online about it like year it was made and where at and if its ofany value.