The cameo depicts Augustus as a triumphant demigod wearing the aegis, decorated with the head of a wind god, perhaps intended as a personification of the summer winds that brought the corn fleet from Egypt to Rome and so an oblique reference to Augustus' annexation of Egypt.
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Unknown author<span style="display: none;">Unknown author</span></div>
between 41 and 54 <a href="https://en.wikipedia.org/wiki/en:Anno_Domini" class="extiw" title="w:en:Anno Domini">AD</a>
<span class="int-own-work">Self-photographed</span>, <a href="//commons.wikimedia.org/wiki/User:L%C3%A9na" title="User:Léna">Caroline Léna Becker</a>