Each is 2.25". First includes facsimile signature of cartoonist "Ketcham." This shows Dennis running with football and reads "It's A Bummer Without Summer!/Oct. 10-17/NMU 1981 Homecoming." Tiny raised bump caused by reverse bar pin but otherwise essentially Mint. Second showing Fred Flintstone with fire hose reads "Booster/U.P. Firemen's Tourn. July 25-26-27 Calumet-Laurium." This button originated in Michigan and has large magic marker date on metal reverse of "1980." The celluloid itself displays Mint. Scarce pair.