based on <a rel="nofollow" class="external text" href="http://acervo.bndigital.bn.br/sophia/index.asp?codigo_sophia=89352">Uniformes do Exército Brasileiro</a> which as per Biblioteca Nacional's policy is in the <a rel="nofollow" class="external text" href="https://bndigital.bn.gov.br/orientacoes-de-uso-de-arquivos-digitais/">public domain</a>
and using the crown, leaves, and armillary sphere found in <a class="external autonumber" href="https://commons.wikimedia.org/wiki/File:Simbolos_nacionais_imperial_(Di%C3%A1rio_de_Pernambuco)_1860.svg">[1]</a> made by user Almanaque Lusofonista
<a href="//commons.wikimedia.org/wiki/User:Galahad1822" title="User:Galahad1822">Galahad1822</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>