During Earth War I, The rouble and krone have been replaced from the Polish marka, a forex in the beginning reminiscent of the German mark. The marka stayed in use following Poland regained its independence in 1918, but was incredibly unstable, disrupted the whole economic climate, and activated galloping inflation. https://felixnxfmu.wikifrontier.com/7627741/an_unbiased_view_of_zlot_adres