Pinback button for the 1963 March on Washington

A white pin-back button with black text. Around the edges of the front, on the top and bottom, is text surrounding more inner text. Inside the outside circle of text is the date for the March on Washington in 1963. [EMANCIPATION MARCH / AUGUST / 28 / 1963 / ON WASHINGTON]. On the reverse is a rectangular sticker with text [MLK I / HAVE A / DREAM / 912].