What was Mozart buried in?

Mozart wasn't properly buried; instead he was put into a common grave that was reserved for the poor and other people who did not have proper means while alive. However, this practice was common at that time, as this was the standard procedure of the Viennese city council for pauper burials from 1784 to 1787, and he was considered a pauper. His burial was not attended by any of his family members, friends or acquaintances, nor by any of his many students.