Что изображено было на гербе Свяще́нной Ри́мской импе́рии?
The ("Imperial Eagle") is the heraldic eagle, derived from the Roman eagle standard, used by the Holy Roman Emperors and in modern coats of arms of Germany, including those of the Second German Empire (1871–1918), the Weimar Republic (1919–1933) and the Third Reich (Nazi Germany, 1933–1945). 
Imperial Eagle