1.25” with no back paper as issued and with Bastian name on the curl. A beautiful design which includes left and right baseballs accenting a larger ball design at the center. The inscription is a rebus with the letters “R.U.A.” at the top followed by the depiction of a hand ‘ fan’ and a question mark with the words “I Am” below. The text of the product name has four tiny baseballs incorporated into the letters “F” and “T”. Inscription on center bat is “Drink Of The Fans.” Button is circa 1907 and we’ve seen only about five in five decades. This is the Collectible Pin-Back Buttons book photo example Food section #315. Comes with Hake’s COA. Essentially Mint.