Ravkan currency is the currency of Ravka.
Nikolai's face is on the money.
Although the Ravkan currency was not given a name in the books, it was called vlachka [sg.] vlachki [pl.] in the series. The design for vlachki in Netflix's Shadow and Bone is explained in the following table.
|Type||Denomination||Front Image||Back Image|
|Paper||1, 5, 10... vlachki||The Lantsov Double Eagle paired with past and current leaders||Illustration of the capital city, Os Alta|
|Coin||½ of 1 vlachka||Firebird||Number|
|Coin||¼ of 1 vlachka||Double Eagle||Number|
|Coin||⅒ of 1 vlachka||The First Altar||Number|
|Coin||1/100 of 1 vlachka||Sankt Grigori||Bear|