Sardonyx cameo of Emperor Augustus from 14-20 AD. The emperor originally wore a laurel wreath which was probably replaced in the medieval period, with the current setting. British Museum.
<a href="//commons.wikimedia.org/wiki/User:Aiwok" title="User:Aiwok">Aiwok</a>
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<span class="int-own-work" lang="en">Own work</span>