 A component part of it was the Seal of the Cetinje Metropolitanate's Righteous Soviet, a bicephalic white eagle with spread-out wings, an Eastern Orthodox cross between his heads and a passing lion beneath it, altogether on red background.With the secularization of Montenegro as a formal Princedom under Prince Danilo I Petrovic-Njegos, religious affiliation and even physical description of the passport holder were introduced as of the mid 19th century, in attempt to prevent fraud.The Seal was replaced with Danil's Coat of Arms, the lion was moved onto a red shield on the eagle's chest, while an Imperial crown was added.