1.5" without backpaper although with name of maker W&H on the curl and c. 1910. Great design with Buster having one large open eye while the other eye is winking as he stands next to Tige who has equally gigantic eyes and displays his mouth of teeth including four pointed fangs. Button surface is just a hair concave rather than convex. Some very trivial hairline scratches barely showing even in reflected light. Button is Extremely Fine and displays Mint. Other than one with a slightly different design featuring a green background, this black background version is the rarest of the four varieties.