It's a rare one. There were four pieces to the Baseball set, with the Pitcher and Batter being the most common by far. The Fielder and Baserunner are seldom-seen. I've seen a few complete sets of 4 over the years (in auctions, etc.) but have not seen this one offered individually. So tough to determine a price, since comparable exemplars are few and far between.
Hope this helps a bit... Nice piece!
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