2008 SP Authentic Baseball Hobby Box - PRODUCT BREAKDOWN: Base Set * 100 Regular Cards * 60 Rookie Autographed Memorabilia Cards (Varied numbering) * 42 Rookie Autographs (Varied numbering) Inserts and Parallel Cards (1 per pack, on average) * Yankee Stadium Legacy * Authentic Achievements * Marquee Matchups * Gold Parallels (numbered to 50) Autograph and Memorabilia Cards (3 per box, on average) * 60 Base Set Rookie Autographed Memorabilia Cards (Varied numbering) * 42 Base Set Rookie Autographs (Varied numbering) * USA U18 Autographs * Rookie Autographed Patch Parallel (numbered to 50) * Rookie Autograph Parallel (numbered to 50) * By the Letter signatures (Varied numbering) * USA National Team By the Letter Autographs (numbered to 99) * Rookie Exclusives Autographs * SP Chirography Dual Signatures (Varied numbering) * SP Chirography Triple Signatures (Varied numbering) * SP Chirography Quad Signatures (Varied numbering) * Signs of the Times Dual Signatures (Varied numbering) * Signs of the Times Triple Signatures (Varied numbering) * Signs of the Times Quad Signatures (Varied numbering) * Yankee Stadium Legacy Memorabilia Cards * Signs of History Presidential Cut Signatures Key Rookies: Alexei Ramirez, Brent Lillibridge, Evan Longoria, Brian Barton, Chin-Lung Hu, Clay Buchholz, Clayton Kershaw, Daric Barton, Greg Smith, J.R. Towles, Jay Bruce, Jeff Clement, Joey Votto, Johnny Cueto, Kosuke Fukudome, Max Scherzer, Nick Adenhart, Wladimir Balentien, Matt Joyce.