diameter: 1 1/2 in. ( 3.8 cm )
printed: on side of button: "DESIGNED BY CARTER WENTWORTH DONNELLY/COLT BUTTONS BOX 271 NEW VERNON NJ 07976"
Circular metal pin-back button "no nukes"; with image of a cow; blue, black and white.
Gift of Beatrice J. Siegel
Due to ongoing research, information about this object is subject to change.