This base set consists of 500 cards. Series 1 (cards 1-250) was released on November 11, 2008. Cards 1-200 feature veterans, and cards 201-250 are rookies. Series 2 (cards 251-500) was released on February 10, 2009. Cards 251-450 feature veterans, and cards 451-500 are rookies.
"FYI - shipping was quite high - you may want to estimate shipping before adding lots of cards to your cart"