For your consideration, here is a 1984 Elma Washington Slug Festival Pinback Button, Pin.  It has some wear on it.  There is tarnish on the back of it.  The button has a diameter of 1 3/4 inches.  It will be mailed in a bubble mailer, wrapped in some bubble wrap.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (695.8c1d-.4px2)