Mark (currency) Germany was reunified in 1990. The German mark was replaced by the euro, first as an accounting currency on 1 January 1999, at a conversion rate of 1.95583 marks per euro. Thereafter, the mark-denominated notes and coins represented the euro at that conversion rate, and remained legal tender until 1 January 2002, when they were replaced by euro notes and coins. Germany mints its own German euro coins, but all euro coins are legal tender throughout the Eurozone. The remaining Convertible mark of Bosnia-Herzegovina is a currency that officially replaced the German mark as de facto currency of the ruptured
World currency unit World currency unit There are two different types of World Currency Unit in use today that have different origins and usages. The WCU was proposed by Lok Sang Ho of Lingnan University, Hong Kong. The WCU was first intended to be the basis for denominating global bonds, a debt instrument that is issued globally and is subscribable by people and institutions around the world. Simply put, it is a GDP-weighted basket of key currencies each of which is indexed against inflation for the relevant countries. The WCU is defined with respect to a base year, so that each unit represents