1977 world series yankee ball...?

It has 27 names on it. i have only been able to make out 24 of them { ron guidry, reggie jackson, george zeber, mickey rivers, dave kingman, fred stanley, chris chambliss, graig nettles, lou piniella, billy martin, jim (james) "catfish" hunter, eddie figueroa, kenny holtzman, don gullett, sparky lyle, bucky dent, cliff johnson, fran healy, paul blair, willie randolph, tidrow, roy white, elston howard and mike torrez}. its not in the best of shape and some names are worn. but for the most part its pretty good. its never been seriously cared for. it was my fathers but he was a mets fan so he never cared for it. its been tossed around. lost and found again. 7 moves 3 diffrent states and even over seas. not that its history matters but i think for what its been threw its in damn good shape. i want to know roughly how much it would go for if it were to be sold.