context: The first known image of a deer as an emblem of the city appeared in the XVII century on the patron saint of the throne of Tsar Mikhail Fedorovich, created after 1626. The Rostov deer was included in the Banner of Stamps, approved by Empress Anna Ioannovna in 1730.
question: When did the image of a deer first appear as an emblem of Rostov?
answers.text: XVII