1942 Series
1946 Series
1948-1973 Series
1981 Series
1990 Series
2005 Series
http://www.bnu.com.mo/cn/about-bnu-ch/banknotes/
http://www.bnu.com.mo/notes_for_collection/ch/cnote%2010%20Patacas%202003.htm
http://en.wikipedia.org/wiki/Banco_Nacional_Ultramarino
