http://callofduty.wikia.com/wiki/Prestige_Mode
Prestige Level Unlock
Prestige 1 Prestige Leaderboard, Prestige Team Deathmatch, Custom Class 6, New Emblem, New Background
Prestige 2 New Emblem, New Background
Prestige 3 Custom Class 7, New Emblem, New Background
Prestige 4 New Emblem, New Background
Prestige 5 Custom Class 8, New Emblem, New Background
Prestige 6 New Emblem, New Background
Prestige 7 Custom Class 9, New Emblem, New Background
Prestige 8 New Emblem, New Background
Prestige 9 Custom Class 10, New Emblem, New Background
Prestige 10 New Emblem, New Background, Prestige Hardcore
Prestige 11 Face Paints, New Emblem, New Background
Prestige 12 New Emblem, New Background
Prestige 13 Clan Tag Colors, New Emblem, New Background
Prestige 14 Golden Camouflage, New Emblem, New Background
Prestige 15 Prestige Pure, New Emblem, New Background