1.75". The1908 campaign between the "Bills" inspired numerous items referencing the candidates by their first names. Although post-election day, this button dated "November 1908" is one of our favorite rarities. Issued for the the lodge "Aerie 102" and "Elk Harvest Festival," with huge American eagle decked out in Uncle Sam-style pants with suspenders and top hat chirping a cartoon balloon "Hello Bill!" Small flake off Hoegee, Los Angeles backpaper but otherwise just a few surface hairlines show only with magnification. Displays as Mint with high gloss.