Wiki hilft vermutlich weiter:
"Not long after the Italian occupation and the transformation of Ethiopia into Italian East Africa, the Italian lira was introduced (15 July 1936) and Ethiopian banknotes were withdrawn from circulation at 3 lire per talar (birr). In an effort to increase the use of Italian paper money, the exchange rate for silver coin (Maria Theresa thalers) was raised to 4.50 lire, then to 5.00, and eventually, in stages, to 13.50. Still, many people kept their Ethiopian coins and banknotes.
Regular Italian coins and banknotes of Banca d'Italia circulated after 15 July 1936. Special notes with a red overprint were authorized for Italian East Africa on 12 September 1938, and a large quantity was printed. It is not clear, however, when, where, and to what extent these special notes actually circulated."
http://en.wikipedia.org/wiki/Ethiopian_birrWeiter (S. 785):
http://books.google.de/books?id=l4WUdKW ... =pankhurst dollar lira ethiopia 1936&f=false
(Lit: Joseph Hans: Zwei Jahrhunderte Maria-Theresia-Taler 1751-1951, Klagenfurt 1950)
Ansonsten:
Richard Keir Pethick Pankhurst, "The Perpetuation of the Maria Theresa Thaler and Currency Problems in Italian-occupied Ethiopia" in: Journal of Ethiopian Studies, VIII 2 (1970), S. 89-118
Hier ein Zitat von S. 116 (auf Seite 191):
http://books.google.de/books?id=Aq44imy ... page&q=The perpetuation of the Maria Theresa dollar and currency problems in Italian-occupied Ethiopia&f=false
Zwar nicht ganz treffend, aber durchaus interessant, ein 2. Aufsatz von Pankhurst, diesmal aber ganz:
http://www.persee.fr/web/revues/home/pr ... _32_2_1358