2008 National Trading Card Day
 

Here's the checklist info for the NBCD packs.

TOPPS
5 Base Cards (found in every pack):
Ryan Howard
David Wright
David Ortiz
Alex Rodriguez
Vladimir Guerrero

Rookie Cards (One inserted in every pack)
Joey Votto
Clay Buchholz
Dario Barton

UPPER DECK
5 Base Cards (found in every pack):
Prince Fielder
Albert Pujols
Derek Jeter
Ichiro
Ken Griffey Jr

Rookie Cards (one per pack)
Ian Kennedy
Luke Hochevar
Chin Lung Hu