Skirmish Rewards

Rewards and Loot scale to the level, group size, and tier of the Skirmish. Loot is found by/at/in/from:

Completing quest flags or objectives
Skirmish Lieutenants
Encounters
End Boss(es)
Fancy Wooden Chest (appears after the boss fight)
Sometimes the last banner must be activated before the chest appears, be aware and do not leave until the boss loot or chest has been found.

Skirmish Marks are the main reward from skirmishes. They are stored in the characters Wallet window. Marks, Medallions, and Seals are used to barter at the many Skirmish Camps.

Summary Loot List

Silver Coins
Legendary Item Experience
Marks, Medallions (primarily from encounters and bosses), Seals (from higher tiers)
Bounty - see details
Heritage Runes - see details
Skirmish Tokens and Emblems - buffs or debuffs, see details
Reputation - usually about 700 points with various factions