A Superior Coalition Chest contains 3 Rewards. Below is the list of possible Items and their Drop Rates:
Universal Boost (2 d.) - 0.01%
Venator - 0.01%
Class II Key - 0.01%
Dominion Activator (30 d.) - 0.01%
Silver Caduceus - 0.01%
Thureophoros - 0.01%
Trojan Thorakites - 0.01%
Golden Shield Warrior - 0.01%
Legate - 0.01%
Dominion Points (150) - 0.01%
2 Elixirs of lvl. 2-4 - 0.01%
Imperial Thureophoros - 0.01%
Spartan Hoplite - 0.01%
Veteran Psilos - 0.01%
Spartan Promachos - 0.01%
Class II Key - 0.01%
Scythian Marauder - 0.34%
Class III Key - 0.01%
Legionnaire - 0.01%
2 Elixirs of lvl. 2 - 0.01%
Dominion Activator (30 d.) - 0.01%
2 Elixirs of lvl. 3 - 0.02%
Class I Key - 0.02%
Cavalry Training Speed Boost +25% (8h.) - 0.02%
Mounted Peltast - 0.02%
Dominion Points (100) - 0.03%
Imperial Promachos - 0.03%
Timber (20000) - 0.03%
Bronze (20000) - 0.03%
Class IV Key - 0.03%
Dominion Points (75) - 0.03%
Phalanx Training Speed Boost +25% (8h.) - 0.04%
Shadow Army (8 h.) - 0.04%
Dominion Activator (7 d.) - 0.04%
Sarissophoros - 0.04%
Iberian - 0.04%
Psilos - 0.05%
Macedonian Cavalry - 0.05%
Dominion Activator (7 d.) - 0.05%
Evocatus - 0.05%
Equite - 0.05%
Imperial Myrmidon - 0.05%
Dominion Activator (7 d.) - 0.06%
Myrmidon - 0.06%
Dominion Points (40) - 0.07%
Class I Key - 0.07%
Veteran Agema - 0.07%
Carthaginian Horseman - 0.08%
Imperial Mounted Peltast - 0.08%
Full Protection (8 h.) - 0.09%
Veteran Cavalry - 0.09%
Class III Key - 0.09%
Full Protection (8 h.) - 0.09%
Ghost Army (8 h.) - 0.09%
Veteran Thorakites - 0.09%
1 Elixir of lvl. 1 - 0.09%
2 Elixirs of lvl. 1-3 - 0.09%
2 Elixirs of lvl. 1 - 0.10%
Veteran Thureophoros - 0.10%
Veteran Golden Shield Warrior - 0.11%
Veteran Carthaginian Horseman - 0.12%
Spy Protection (24 h.) - 0.12%
Spy Protection (24 h.) - 0.13%
Timber (10000) - 0.13%
Grain (20000) - 0.13%
Veteran Spartan - 0.13%
Veteran Hoplite - 0.13%
Class II Key - 0.13%
Bronze (10000) - 0.13%
Uncommon Class I Coffer - 0.14%
Veteran Cretan Archer - 0.15%
Veteran Peltast - 0.15%
Dominion Activator (2 d.) - 0.17%
Dominion Activator (2 d.) - 0.18%
Veteran Scout - 0.19%
Grade II Skill Stone - 0.19%
Dominion Activator (2 d.) - 0.19%
Bronze (8000) - 0.20%
Dominion Activator (7 d.) - 0.20%
Grain - 0.20%
Veteran Mounted Peltast - 0.20%
Hoplite - 0.21%
Timber (8000) - 0.21%
Veteran Sarissophoros - 0.23%
Veteran Promachos - 0.24%
Scout - 0.28%
Javelineer - 0.28%
Numidian Archer - 0.28%
Triarius - 0.28%
Imperial Archer - 0.29%
Cretan Archer - 0.29%
Gladiator - 0.29%
Veteran Sidonian Pikeman - 0.30%
Veles - 0.30%
Peltast - 0.30%
City Defense +10% - 0.30%
Swordsman - 0.31%
Offense Enhancer +10% - 0.31%
Defense Enhancer +10% - 0.31%
Grain Consumption -25% (1 d.) - 0.31%
Sidonian Pikeman - 0.31%
Dominion Activator (2 d.) - 0.31%
Dominion Activator (2 d.) - 0.32%
Dominion Points (20) - 0.32%
Veteran Equite - 0.33%
Uncommon Class III Coffer - 0.37%
Universal Boost (15 h.) - 0.37%
Dominion Activator (1 d.) - 0.39%
Veteran Numidian Archer - 0.41%
Veteran Swordsman - 0.41%
Veteran Javelineer - 0.42%
Bronze (5000) - 0.46%
Emporium Gatherer +25% - 0.46%
Individual Quests Refresher - 0.46%
Timber (5000) - 0.47%
Coalition Quests Refresher - 0.47%
Dominion Quests Refresher - 0.47%
Grain (10000) - 0.48%
Class I Key - 0.54%
Basic Summoning Bond - 0.54%
Position Discovery - 0.55%
Universal Boost (2 h.) - 0.56%
Auto Unit Hider (4 h.) - 0.57%
Veteran Myrmidon - 0.62%
Universal Boost (30 min.) - 0.63%
Grain (8000) - 0.69%
Dominion Points (5) - 0.71%
Bronze (2000) - 0.71%
Timber (2000) - 0.71%
Experience Points - 0.72%
Universal Boost (15 min.) - 0.82%
Rare Class III Coffer - 0.87%
Veteran Legate - 0.95%
Scrolls - 1.00%
Grain Production +25% (1 d.) - 1.00%
Intellect Points - 1.01%
Bronze Production +25% (1 d.) - 1.03%
Timber Production +25% (1 d.) - 1.04%
Bronze (1000) - 1.07%
Timber (1000) - 1.07%
Universal Boost (10 min.) - 1.07%
Timber (3000) - 1.09%
Bronze (3000) - 1.11%
Grain (2000) - 1.20%
Universal Boost (5 min.) - 1.21%
Dominion Activator (60 min.) - 1.25%
Grain (1000) - 1.31%
Universal Boost (3 min.) - 1.31%
Dominion Activator (30 min.) - 1.31%
Timber (400) - 1.33%
Dominion Points (1) - 1.34%
Grain (400) - 1.34%
Bronze (400) - 1.34%
Grain (300) - 1.35%
Grade I Skill Stone - 1.36%
Universal Boost (1 min.) - 1.37%
Bronze (300) - 1.38%
Timber (300) - 1.39%
Chronos' Favor (Daily) - 1.40%
Grain (5000) - 1.40%
Denarii - 1.68%
Grain (3000) - 2.38%
Instant Recall - 2.93%
Veteran Venator - 3.07%
Energy Recharge - 4.25%
Denarii (1000) - 6.99%
Upgrade Sketches (1) - 8.05%
Drachmas - 8.73%