Matt Birk Autographed Mini Helmet. Minnesota Vikings (1998–2008) “Center” @mattbirkmn #minnesota #vikings #vikingslovers #skolvikings #skol #collection #vikings #vikingsfan #cardcollector #nfl #topps #panini #sportcards #fleer #vikingscollection #Vikings #collector #bcw #bcwsupplies #riddell #nflhelmets #riddellhelmet #mattbirk