1.25" in the World War II era patriotic rwb colors depicting the comic book character who first appeared in Science Comics, 1940. He also had 4 issues of his own in 1941-1942 and this button was issued at that time for club membership. Members were known as "American Eagle Defenders" which is the text on the button. Trivial traces of surface wear only under magnification and button is essentially Mint as issued with perfect centering and high gloss. About the second we've seen and as nice as it comes. Rare.