1.75” with backpaper by Carroll of Chicago. Button has huge text “Official Pass” with center text “To Racine-Sattley’s Exhibit/Implements And Vehicles.” Hake book Collectible Pin-Back Buttons photo example Farm Equipment Section #161. Comes with Hake’s COA. Upper left has near microscopic pinpoint air bubble and dirt speck but barely showing at all and button essentially displays Mint as made. Only example we’ve seen.