Austria (Duchy). Vienna, Ottokar II, King of Bohemia and Duke of Austria (1261-1276), uniface Silver Pfennig, 0.6g, star and crescent above head & wings of eagle. Luschin-79, Koch-163, VG
References;
Alfred Szego, The Coinage of Medieval Austria 1156-1521, a basic outline , privately published, 1970.
Bernard Koch, Der Wiener Pfennig. Ein Kapitel aus der Periode der regionalen Pfennigm ünze , Vienna 1983