i have a 1951 signed yankees baseball that was left to me by my late grandmother, she owned a tavern for many years and one of her patrons was a friend of gil mcdougal.when i was a little boy this man gave my grandmother this ball and told her to save it for me. my family recently sold the building and while cleaning out the tavern we found this ball hidden behind one of the shelves.it has casey stengel,joe dimaggio,jim turner,jerry colman,allie reynalds,stub overmier,gil mcdougal,mickey mantle,ralph hauk,phil rizzuto,tom hennick,frankcrosetti,larry berra,ed lopat,charlie silvera,johnny hopp,joe collins, bobby brown,robert kuzava,billy martin,jack larson,gene woodling,hank bauer,bill dickey,vic raschi,johnny mize,john sarn, and joe ostrowski.
how much is this ball worth?