In Dishonored 2
Coin
Coins can be usually found in cash registers, safes, near people playing cards or dice, but also virtually anywhere. There are also many collectible items which, once acquired, translate directly into coin which can be used to buy upgrades for equipment.
There are several denominations of coin which can be found scattered about:
single coins
Coin of 2- Coin of 5
- Coin of 10
In Dishonored
Lord Regent Minted Coins are a resource and the currency used in the game. They can be used to purchase any number of items including gadgets, ammo, upgrades and other resources.