The currency in a fictive country Blagonia. Derived from the geographical name of the 16th century's Central European region of Joachimsthal (today, around the Czech city Jáchymov): Joachimsthal (a place) >> Joachimsthaler (a silver coin minted there) >> thaler >> taler >> tolar / toliar / dollar / tollear.
You already know Mr∙ Hubert. His services are not free. You will pay him to do the job well. Two thousand tollears will do. (Source: J∙ Okram - The Mystery of the Rammed Key.)