This article details Hârnic currencies, the operation of Royal Mints, Counterfeiting, Usury, the Lore skill of Numismatics, and 30 rare coins that might turn up in a character's purse.
A Harnic god may grant a divine boon to a hero for some reason. These can be used at some later point to slightly improve the hero's chances, to introduce a slight twist to the story, or some other minor effect.