You are purchasing a rare vintage circa 1969-70 Dick Butkus NFLPA button.  These buttons are scarce.  This is an original vintage pin, not a reproduction.  Button measures 3 1/2 inches.  Has a clasp back.  Pins feature a color head shot of player along with player name and team affiliation on front.  Button shows just a touch of surface wear.  Cardboard insert in back has minor discoloration as shown.  Button grades NM!  VERY NICE vintage Bears item!  Buyer pays $5.00 shipping.  Shipping combined on multiple lots whenever possible.  MN residents add 6.875% sales tax.  Thanks for your purchases!  Please check out my Ebay store for more great items!