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1 Mon 'Taisetsūhō' - Shō Taikyū
| Issuer | Ryukyu, Kingdom of |
|---|---|
| Year | 1457 |
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| Composition | Log in to see details |
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| Technique | Cast |
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| Obverse description | Log in to see details |
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| Reverse description | Plain reverse featuring a central circular perforation with a raised inner rim and a raised outer rim enclosing a flat, uninscribed field. The surface exhibits a heavily patinated texture with mottled green verdigris and dark brown toning throughout, characteristic of long-circulated cast copper alloy cash coinage. No additional design elements, legends, or decorative features are present. |
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| Mintage | 1457: ND (1457) |
| Additional information |
Cast during the reign of Shō Taikyū, the sixth king of the First Shō Dynasty, this is among the earliest coinage produced within the Ryukyu Kingdom. The islands had long depended on imported Chinese and Japanese coins for commerce — Chinese cash circulated extensively through the archipelago's active role in the tally trade system. This domestic issue reflects the kingdom's growing administrative ambitions at a moment when Naha was one of the busiest entrepôt ports in East Asia.
The First Shō Dynasty collapsed just two decades after this coin's issue, replaced by the Second Shō in 1469.