San Francisco, CA. Adopted in 1940, in use circa 1900. The City and County shall have an official flag to be known as "The Flag of San Francisco." The flag shall be as follows: A phoenix rising from the flames, below which shall appear the motto "Oro en Paz - Fierro en Guerra" (gold in peace; iron in warfare), both in a golden hue on a field of white, with the flag itself bordered with gold. The words "San Francisco" shall appear horizontally along the lower portion of the flag, below the phoenix and the motto, in letters of appropriate size, rich blue in coloring. (ref; San Francisco Administrative Code, General Provisions [Ord. No. 979 (1939), Sec. 1].