This is a <a href="https://en.wikipedia.org/wiki/Ziyarid_dynasty" class="extiw" title="en:Ziyarid dynasty">Ziyarid</a> era art: a 9-10th century <a href="https://en.wikipedia.org/wiki/Beaker_(archaeology)" class="extiw" title="en:Beaker (archaeology)">beaker</a> from Iran. Blown and relief-cut glass. Now located in the New York Metropolitan Museum of Art.
<a href="https://en.wikipedia.org/wiki/User:Zereshk" class="extiw" title="wikipedia:User:Zereshk">Zereshk</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
CC BY 2.5
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