1.25" and we can tell by the style of collet as well as the "Chicago" union bug that this was made by Parisian Novelty Co. during the 1930's. The Ku Klux Klan was very active in Indiana and in August 1930 two black men were lynched in Marion, Indiana. That event is generally considered the last confirmed lynching of blacks in the Northern United States. We feel that this button is most likely somehow related to that event. Interestingly, one of the young black men who escaped death by lynching went on to serve as the Indiana State Director of Civil Liberties from 1942-1950 and he also founded three local chapters of the NAACP. His name is James Cameron. The two men lynched were Thomas Shipp and Abram Smith. Exc. and displays Mint. Also see 1898 button for President McKinley's visit to Booker T. Washington at Tuskegee #206.