Ducat
A currency invented for this game because of the multiplicity of different currencies used during the period. One English Pound is worth 600 Ducats, one French Livre is worth 132 Ducats. All prices in the game are expressed in terms of Ducats, which, coincidentally, are also worth one dollar U.S. (1990s period). A common unit of currency in the game is the kDucat (1,000 ducats).