RARE Oakland A's 1989 World Series "Battle of the Bay" Hat

This is a rare and highly sought-after Oakland Athletics cap commemorating their victory in the 1989 World Series against the San Francisco Giants, often called the "Battle of the Bay." #NewEra #59FIFTY #FittedHat #Size718 #HatCollector #HatClub #Lids #CapCollector #OaklandA’s #Oakland #A’s #MLB #BaseballCap #FittedCaps #Deadstock #CreamTeal #DarkGreen #SidePatch #Cooperstown #VintageMLB #Streetwear #ExclusiveCap #HatGame #LimitedEdition #HatDrop #MLB #Baseball #Yellow #Patch #White #Black #1997