This anonymous official's pose is unusual.  The right hand crosses the body to rest upon the left fist.  The garment is also not typical.  Both probably show the influence of the Near East during this period, when Egypt was part of the Persian Empire.
<div class="fn value">
<span lang="en">Anonymous</span> (<a href="https://en.wikipedia.org/wiki/en:Egypt" class="extiw" title="w:en:Egypt"><span title="sovereign state in North Africa and Asia">Egypt</span></a>)<span style="display:none">Unknown author</span></div>
between circa 500 and circa 450 <a href="https://en.wikipedia.org/wiki/en:Ante_Christum_Natum" class="extiw" title="w:en:Ante Christum Natum">BC</a> (Late Period, First Persian Period)
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