For your consideration, here is a Lot of 5 IAM Pinback Buttons, International Association of Machinists and Aerospace Workers.  They have a little wear on them.  They measure 2 3/8 inches wide and 1 5/8 inches tall.  They will be mailed in a box for protection.  Items pictured are the actual items up for sale and come from a non-smoking household.  (318.320u-.4px2)