Set includes 4 vintage Mark McGwire baseball cards. These are all from when he played for the Oakland A's. All but one have always been in a protective sleeve. Fleer - 1991 Sports Flix holographic card - 1996 Donruss- 1987 Score - 1992 - All-Star Game - This is thr card without a protective sleeve New to Poshmark? Use code ZEKATRENDS to save $10 off of your first order.