For your consideration, here is a 1991 Cars, Crafts and Covered Bridge Festival Walk, Sweet Home, Oregon Pinback Button, Pin, August 3rd, 1991.  It has some wear on it.  There is some tarnish on the back.  The button has a diameter of 2 1/4 inches.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (450.824s-.4px2)