Mark – Wikipedia

Currency. Bosnia and Herzegovina convertible mark, the currency of Bosnia and Herzegovina; East German mark, the currency of the German Democratic Republic; Estonian mark, the currency of Estonia between 1918 and 1927; Finnish markka (Swedish: finsk mark), the currency of Finland from 1860 until 28 February 2002; Mark (currency), a currency or unit of account in many nations

https://en.wikipedia.org/wiki/Mark