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6 Reis 'Januadini' - João VI Big Armillar Sphere - Goa mint
| Issuer | Casa da Moeda de Goa |
|---|---|
| Year | 1816-1826 |
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| Composition | Log in to see details |
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| Shape | Round |
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| Obverse description | Crude hammered field of heavily worn copper, bearing the remnants of a legend and design elements characteristic of the 'Januadini' coinage struck under João VI for Portuguese India. The surface exhibits extensive corrosion and wear consistent with circulation use, with faint traces of the royal cypher or armillar sphere motif barely discernible through the heavy patination. The irregular flan, typical of hammered coinage produced at the Goa mint in this period, displays a dark reddish-brown patina with areas of green cuprite. Legends, if present, are largely illegible on this example due to the advanced state of wear. |
|---|---|
| Obverse script | Latin |
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| Reverse description | The reverse displays the large armillar sphere (esfera armilar), the dynastic emblem of the Portuguese Crown, rendered in the bold, simplified style characteristic of the Goa mint's hammered copper coinage of João VI. The armillar sphere is depicted prominently in the central field, with an associated numeral or countermark visible in the upper left quadrant, exhibiting green patination consistent with copper oxidation. The broad, flat field and irregular flan edges are typical of the hammered technique employed at the Goa mint during the period 1816–1826. Overall, the reverse presents considerably better detail than the obverse on this example, with the sphere's equatorial band and rings partially visible. |
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