After the announcement a few weeks ago, Square Enix has released a picture showing the contents of the Collector's Edition of Tomb Raider, also we can provide more specific details about other items. You find everything here

Content Collector Edition (price: 99.99 USD)

• 38x49 cm map depicting the Yamatai island where the adventure takes place, with prints the box art of the game on the back.
• Exclusive lithograph depicting Lara 13 x 18 cm designed by senior art director at Crystal Dynamics Brian Horton and concept artist Brenoch Adams.
• 3 metal badges depicting icons of " Animal Instincts," "Climbing Axe" and "Fire Arrow " (replaces the previously announced)
• 10 music tracks CD
• DLC Weapon Pack that unlocks additional weapons for Lara
• 20 cm Action Figure depicting Lara produced from PlayArts, with 3 possible to grip weapons: bow, shotgun and axe.
• Metal packaging from survival