Two smaller buttons are 1" and the four larger are 1.25". The button in top row center has copyright on curl "1966 Big Store." The others were also sold through underground stores in the late 60s. Two of these specifically reference Timothy Leary. The first and second buttons are actually proofs from the button maker made prior to mass production. These are both from the Marshall Levin Collection and on the back of each he has made the notation "Proof 1960's" the other four are from the Levin Collection as well. All are NM and display Mint. Comes with Hake's COA.