Each complete set of 2010 Topps Baseball contains 661 Regular Cards, the complete sets of Topps series 1 and 2 with a bonus Stephen Strasburg rookie card variation of card #661. Pujols, Teixiera and Fielder are on the cover of this edition. This set has a Bonus 5 Card Pack of photo variations of top stars exclusive to these sets. 5 RETAIL EXCLUSIVE VARIATION CARDS RS1 - Ryan Howard RS2 - Ichiro RS3 - Derek Jeter RS4 - Albert Pujols RS5- Hanley Ramirez