Just Rookies 2007 Factory Set: Each Factory Set contains a 65-card base set and 2 random autograph cards. Autograph insert cards include Parallel Autos (serial-numbered to 25): 1 per set, Dual/Triple Signatures Silver (serial-numbered to 25) or Dual/Triple Signatures Gold (serial-numbered to 10): 1 per 12 sets and Printing Plate 1 of 1 Autos: 1 per 12 sets. Non Autograph insert cards include Printing Plate 1 of 1s: 1 per 12 sets.