Four of the buttons are 3" dia. The first is dated January 17 for his train ride leaving Philadelphia and going to Wilmington, Baltimore and ending in Washington. As far as we know, this button was sold just in Baltimore and DC. Next is a "Hope/Pride" button dated for inauguration day. Next is button showing port-o-potty at center of immense crowd seen from an aerial view. Text is "I Stood In Line At President Obama's Inauguration" with city and date. The last 3" was issued for the concert and reads "Aretha Sings! R-E-S-P-E-C-T O-B-A-M-A" and has tiny text "In Concert Jan. 19th - At The Inaugural Jan. 20, 2009." The fifth button is nicely designed full color 2" with his photo, presidential seal, facsimile autograph and date. On the back of this is a small case holding a battery just below the pin. A button is pressed and then bright white lights flash at the center and rapidly revolve around the front perimeter of the button. All Mint as issued.