ostmark

[awst-mahrk, ost-] /ˈɔstˌmɑrk, ˈɒst-/
noun
1.
(formerly) a cupronickel coin and monetary unit of East Germany: replaced by the Deutsche mark in 1990.
Origin
1945-50; < German: east mark
British Dictionary definitions for ostmark

Ostmark

/ˈɒstˌmɑːk; German ˈɔstmark/
noun
1.
(formerly) the standard monetary unit of East Germany, divided into 100 pfennigs
Word Origin
German, literally: east mark