For your consideration, here is a 1987 Husky Stadium Dedication University of Washington Pinback Button, Pin, U of W, Texaco. It has some wear on it. There are some tarnish spots on the back of it. The diameter of the button is 3 3/8 inches. Item pictured is the actual item up for sale and comes from a non-smoking household. (260.309k-.4px,px1)