Egypt
Abdul Aziz in the name of Muhammad Sa'id Pasha bronze Specimen Pattern 20 Para AH 1279 (1863) SP66 Brown NGC, KM-Pn12. The finest graded example of its type showing fully iridescent surfaces layered in multi-chromatic electric colors of cobalt and violet. A true gem that would be difficult to improve upon.
https://coins.ha.com/itm/egypt/egypt-abdul-aziz-in-the-name-of-muhammad-sa-id-pasha-bronze-specimen-pattern-20-para-ah-1279-1863-sp66-brown-ngc-/a/3083-30261.s?type=CoinArchives3083
HID02906262019
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Estimate: 1500-1800 USD