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1/4 Tanka - Buyan Quli Khan
| Issuer | Chagatai Khanate |
|---|---|
| Year | 1356-1357 |
| Type | Log in to see details |
| Value | 1/4 Tanka |
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| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Arabic |
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| Reverse description | Central field displays a multi-line Arabic legend in Naskh script set within a double or triple linear circle, surrounded by a prominent outer border of raised pellets partially visible around the circumference. The inscription references the ruling khan Buyan Quli Khan along with mint and date formulae. The pellet border is a distinguishing feature of this Chagatai type, lending a decorative frame to the densely inscribed central panel. The flan is irregular and the strike variable, with some areas of legend weakness consistent with hand-hammered production methods. |
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| Additional information |
Buyan Quli Khan ruled the Chagatai Khanate as a puppet of the powerful amir Qazaghan, who controlled effective authority across Transoxiana while the khan held nominal sovereignty. The arrangement ended abruptly in 1358 when Qazaghan was assassinated, after which Buyan Quli himself was killed — making this issue, struck in the final year of his reign, among the last coinage produced under his name.
The Chagatai monetary system of this period was fractured across competing mints and regional powers, and quarter-tanka denominations in silver from this phase of the khanate's decline are considerably scarcer than their full-tanka counterparts.