I have over 600 sport cards from all years and all brands including fleer upper deck etc how much$ could i get

just to name a few i have a pro set Emmitt Smith rookie caard in really good shape and i also have a Wes Unseld topps card from the year 1968 in exclent shape and a pro set bart starr mvp surper bowl 2 card im mint condition and was woundering how much i could possibly get from them. also some of them were ped down to me from my father and his uncle abd i have bought some when i was a kid