1.25” with brass rim surrounding gorgeous domed sepia depicting “Landing of Columbus/Oct. 12, 1492.” Above the scene is “Columbus Day Celebration/Oct. 12, 1910.” Button’s reverse has backpaper with elaborate flag and eagle design above text “The Largest Exclusive Badge And Button Factory.” Below this are the words “Trade Mark” and above the eagle are entwined initials “H.M. Co.” representing the name “Hyatt Mfg. Co.” of Baltimore. Rare and essentially Mint. From the Hake Collection and comes with Hake’s COA.