Kruge is the currency of Kerch. The bills are a pale purple color, emblazoned with three flying fish.
- An original DeKappel oil is worth almost 100,000 kruge.
- 100 kruge is considered a good amount to earn in two hours gambling on East Stave.
- A secondhand tweed jacket and a basic waistcoat in Ketterdam costs "a few" kruge.
- Workers can earn five kruge a day in the farming fields near Olendaal.
- A room at a filthy boardinghouse in the Barrel costs ten kruge. It is unclear how many days ten kruge buys at this establishment.
|Type||Denomination||Front Image||Back Image|
|Paper||1, 5, 10, 20 kruge||Three flying fish||Various Kerch ports, maps of trading lines|
|Coin||1 kruge||One flying fish||Church of Barter|
|Coin||½ kruge||Tall ships||Church of Barter|
|Coin||¼ kruge||Sailor's knot||Church of Barter|
|Coin||⅒ kruge||Gulls||Church of Barter|
|Coin||1/20 kruge||Crossed maritime flags||Church of Barter|
|Coin||1/100 kruge||Hand of Ghezen||Church of Barter|
- The word kruge seems inspired by Middle Dutch kroech, meaning "crook".
- Although Leigh Bardugo did not create a detailed design for the currency in the books, she envisioned it as a larger version of modern European paper currency and suggested bills may include the inscription atop the arches of the Exchange (Enjent, Voorhent, Almhent).
- Rule of Wolves, Chapter 27
- Crooked Kingdom, Chapter 3
- Six of Crows, Chapter 3
- Six of Crows, Chapter 5
- Crooked Kingdom, Chapter 5
- Crooked Kingdom, Chapter 14
- Crooked Kingdom, Chapter 23