1998 Playoff Contenders Wax Box Question....

What are the odds of pulling an autographed rookie in a box of this stuff? 18 Packs per box, and one ticket cards per pack, but what are the odds of pulling any of the autographed rookie ticket cards? Anyone know or have an idea? Any help is appreciated.
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18 packs per box, 3 cards per pack
Each pack has 1 Pennant, 1 Leather, and 1 Ticket card!!
Paralells: Red 1:9
Triple Option - Leather (various statistics), Pennant sequentially numbered to 98, Ticket sequentially numbered to 25
Inserts: Touchdown Tandems 1:19
Rookie Stallions 1:19
MVP Contenders 1:19
Rookie of the Year Contenders 1:55
Certified Super Bowl Leather game used football from SB XXXII 1:2401
Team Checklist Box Topper 1 Per box
Honors 1:3241
Key Rookies:
Peyton Manning, Randy Moss, Priest Holmes, Ahman Green, Matt Hasselbeck, Hines Ward!
- Joe
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