2.4 cm in diameter, possibly made of silver
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The expert was not able to identify the specific ruler/date but says these are "relatively common" and ones in this condition typically bring about $50 at auction
Based on the photos and information provided, and subject to examination, this is:
An Abbasid silver dirham
indeterminate date but probably first millenium CE
2.4 cm diameter
*represents a fair-market value for auction purposes; retail or asking price may vary.
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