First Agip Logo used from 1926
Unknown author<span style="display: none;">Unknown author</span>
Own work, based on the first Agip Logo. See: <a class="external free" href="https://commons.wikimedia.org/wiki/File:Globo_Agip_anni_%2730.jpg">https://commons.wikimedia.org/wiki/File:Globo_Agip_anni_%2730.jpg</a>