mark 2 
(märk)
(märk)n.
1. An English and Scottish unit of currency that was equal to 13 shillings and 4 pence.
2. Any of several European units of weight that were equal to about 8 ounces (227 grams), used especially for weighing gold and silver.
3. A deutsche mark.
4. A markka.
[Middle English, from Old English marc; see merg- in the Appendix of Indo-European roots. Sense 3, translation of German Mark, from Middle High German marc, marke, stamped precious metal bar, half-pound of silver or gold. Sense 4, translation of Finnish markka.]