A Standard Coalition Chest contains 1 Reward. Below is the list of possible Items and their Drop Rates:
Class II Key - 0.01%
Dominion Activator (30 d.) - 0.01%
Universal Boost (2 d.) - 0.01%
Silver Caduceus - 0.01%
2 Elixirs of lvl. 2-4 - 0.01%
Dominion Points (150) - 0.01%
Veteran Psilos - 0.01%
Class II Key - 0.01%
2 Elixirs of lvl. 2 - 0.01%
2 Elixirs of lvl. 3 - 0.01%
Dominion Activator (30 d.) - 0.01%
Class III Key - 0.01%
Class I Key - 0.02%
Dominion Points (100) - 0.02%
Trojan Thorakites - 0.02%
Cavalry Training Speed Boost +25% (8h.) - 0.02%
Thureophoros - 0.02%
Golden Shield Warrior - 0.02%
Imperial Thureophoros - 0.02%
Dominion Activator (7 d.) - 0.03%
Legionnaire - 0.03%
Spartan Hoplite - 0.03%
Bronze (20000) - 0.03%
Dominion Activator (7 d.) - 0.03%
Dominion Points (75) - 0.03%
Phalanx Training Speed Boost +25% (8h.) - 0.03%
Timber (20000) - 0.03%
Shadow Army (8 h.) - 0.03%
Class IV Key - 0.04%
Class I Key - 0.04%
2 Elixirs of lvl. 1 - 0.05%
1 Elixir of lvl. 1 - 0.05%
2 Elixirs of lvl. 1-3 - 0.05%
Dominion Activator (7 d.) - 0.05%
Equite - 0.06%
Imperial Mounted Peltast - 0.06%
Veteran Agema - 0.07%
Dominion Points (40) - 0.07%
Veteran Hoplite - 0.07%
Ghost Army (8 h.) - 0.07%
Full Protection (8 h.) - 0.08%
Veteran Cavalry - 0.08%
Full Protection (8 h.) - 0.08%
Veteran Thorakites - 0.09%
Class III Key - 0.09%
Veteran Thureophoros - 0.09%
Veteran Golden Shield Warrior - 0.10%
Veteran Carthaginian Horseman - 0.11%
Spy Protection (24 h.) - 0.11%
Timber (10000) - 0.11%
Spy Protection (24 h.) - 0.12%
Class II Key - 0.12%
Grain (20000) - 0.12%
Bronze (10000) - 0.12%
Uncommon Class I Coffer - 0.13%
Veteran Cretan Archer - 0.14%
Veteran Peltast - 0.14%
Veteran Spartan - 0.15%
Dominion Activator (2 d.) - 0.15%
Dominion Activator (2 d.) - 0.17%
Grade II Skill Stone - 0.18%
Dominion Activator (2 d.) - 0.18%
Dominion Activator (7 d.) - 0.18%
Timber (8000) - 0.18%
Bronze (8000) - 0.18%
Veteran Mounted Peltast - 0.19%
Hoplite - 0.20%
Veteran Sarissophoros - 0.21%
Veteran Promachos - 0.21%
Imperial Myrmidon - 0.23%
Myrmidon - 0.23%
Defense Enhancer +10% - 0.28%
Offense Enhancer +10% - 0.28%
Grain Consumption -25% (1 d.) - 0.28%
Dominion Points (20) - 0.28%
City Defense +10% - 0.28%
Dominion Activator (2 d.) - 0.29%
Dominion Activator (2 d.) - 0.29%
Veteran Sidonian Pikeman - 0.30%
Veteran Equite - 0.31%
Scythian Marauder - 0.31%
Uncommon Class III Coffer - 0.33%
Veteran Scout - 0.34%
Universal Boost (15 h.) - 0.35%
Dominion Activator (1 d.) - 0.38%
Veteran Swordsman - 0.40%
Veteran Numidian Archer - 0.40%
Veteran Javelineer - 0.41%
Emporium Gatherer +25% - 0.44%
Coalition Quests Refresher - 0.44%
Timber (5000) - 0.45%
Dominion Quests Refresher - 0.46%
Numidian Archer - 0.46%
Bronze (5000) - 0.46%
Javelineer - 0.46%
Individual Quests Refresher - 0.46%
Triarius - 0.46%
Grain (10000) - 0.46%
Peltast - 0.47%
Scout - 0.47%
Veles - 0.47%
Imperial Archer - 0.48%
Position Discovery - 0.48%
Auto Unit Hider (4 h.) - 0.48%
Cretan Archer - 0.49%
Sidonian Pikeman - 0.50%
Gladiator - 0.51%
Swordsman - 0.51%
Basic Summoning Bond - 0.51%
Class I Key - 0.53%
Universal Boost (2 h.) - 0.53%
Veteran Myrmidon - 0.60%
Universal Boost (30 min.) - 0.60%
Grain (8000) - 0.65%
Experience Points - 0.66%
Timber (2000) - 0.66%
Dominion Points (5) - 0.67%
Bronze (2000) - 0.69%
Universal Boost (15 min.) - 0.78%
Rare Class III Coffer - 0.79%
Veteran Legate - 0.85%
Grain Production +25% (1 d.) - 0.96%
Bronze Production +25% (1 d.) - 0.97%
Timber Production +25% (1 d.) - 0.97%
Universal Boost (10 min.) - 0.99%
Bronze (3000) - 1.03%
Timber (3000) - 1.03%
Intellect Points - 1.14%
Scrolls - 1.14%
Grain (2000) - 1.16%
Timber (1000) - 1.19%
Bronze (1000) - 1.21%
Grade I Skill Stone - 1.26%
Chronos' Favor (Daily) - 1.33%
Grain (5000) - 1.34%
Universal Boost (5 min.) - 1.34%
Dominion Activator (60 min.) - 1.39%
Universal Boost (3 min.) - 1.47%
Grain (1000) - 1.49%
Bronze (400) - 1.51%
Dominion Points (1) - 1.51%
Grain (400) - 1.51%
Dominion Activator (30 min.) - 1.54%
Timber (400) - 1.55%
Bronze (300) - 1.55%
Universal Boost (1 min.) - 1.55%
Grain (300) - 1.55%
Timber (300) - 1.56%
Grain (3000) - 2.30%
Denarii - 2.67%
Instant Recall - 2.81%
Veteran Venator - 2.85%
Energy Recharge - 3.79%
Denarii (1000) - 6.19%
Upgrade Sketches (1) - 7.14%
Drachmas - 7.88%