Each is 1.25” all with W&H back papers with some stain on the first. Each names maker “Rockfalls Mfg. Co./Sterling, Ill.” The third includes the slogan “Pass Bearer One Way.” First button is tanned with dark stain along bottom edge. Second button has a few light grey dots on the background. Third button has more extensive light grey marks on the background. All retain full gloss. These are plate examples from Collectible Pin-Back Buttons Exposition section #5, #6, #7. Comes with Hake’s COA. All are scarce and the second and third are the scarcer of the three.