Albrecht I was the son of the Holy Roman Emperor Rudolf I. He became Duke of Austria in 1282 and in 1298 he was himself elected Emperor. In 1308, he was murdered by his nephew John.Wienerpfennige' ('Vienna pennies') were issued by the Dukes of Austria. Despite their name, they were struck at mints like Enns, as well as at Vienna. Typically only the obverse design is well-struck, the reverse often only having faint traces of the design visible. This human-headed, two-legged monster is typical of the wild mediaeval imagination.