Clay tokens (or calculi), possibly used for accounting operations, found at Qalaat Jarmo (Iraq) and exhibited at the Louvre, c. 7000 BC. No more precision in the museum, description not found on the site of the museum.
<a href="//commons.wikimedia.org/wiki/User:Zunkir" title="User:Zunkir">Zunkir</a>
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<span class="int-own-work" lang="en">Own work</span>