diameter: 2 1/4 in. ( 5.7 cm )
Circular pin-back button: "KEEP THE BUSES ROLLING/MARCH ON BOSTON/MAY/17TH!"; image of two children riding a bus in center; black, gray and white.
Gift of Toni Ellen Heisler
printed: on side of button: "UNIVERSAL PRESS SYNDICATE 1975 G.B. Trudeau"
sticker: on back of button: "1975"
Due to ongoing research, information about this object is subject to change.