P.S. The first link (to the Booth Museum) is correct but sometimes it takes a long time to load. If you'd rather just go to the Booth Museum site, that is at http://www.boothmuseum.org/
Then click on "exhibitions."
Click on "online catalog" on the lefthand menu.
Click on "search."
Type "Harry Jackson" (include the quotation marks) into the search engine box and click on search
It will take a moment to search but then the second item that comes up is the John Wayne sculpture. Click on the link. When the page comes up, you can click on the picture to get an even bigger version.
Looking at it again, it's Rooster but not the "fill your hand" scene as JW has the reins in one hand (not his teeth) and his rifle in the other...