Each box (unsealed by Topps in 1991) contains 36 packs of 12 cards each in a 337 card set (7 cards not produced) including reprints of Mantle, Mays, Williams, Robinson, Berra, and Snider.
Each box (unsealed by Topps in 1991) contains 36 packs of 12 cards each in a 337 card set (7 cards not produced) including reprints of Mantle, Mays, Williams, Robinson, Berra, and Snider.