Flag of São Paulo city (São Paulo, Brazil)
Pedro Cardoso de Carvalho e Freitas, <a href="//commons.wikimedia.org/wiki/User:Srfortes" title="User:Srfortes">Srfortes</a> and <a href="//commons.wikimedia.org/wiki/User:Giro720" title="User:Giro720">Giro720</a>
2006-06-29
<span class="int-own-work" lang="en">Own work</span> based on <a href="https://en.wikisource.org/wiki/pt:Lei_Municipal_de_S%C3%A3o_Paulo_14472_de_2007#Art._6.C2.BA" class="extiw" title="s:pt:Lei Municipal de São Paulo 14472 de 2007">article 6 of Law n. 14472/2007</a>.