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| Issuer | Board of Revenue (Hojo), Joseon Dynasty |
|---|---|
| Year | 1757-1806 |
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| Composition | Log in to see details |
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| Technique | Cast |
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| Obverse description | Cast copper cash-type coin featuring a central square perforation surrounded by four Chinese characters in regular script (kaishu), reading clockwise from the top: 常 (top), 寶 (right), 通 (bottom — though the conventional reading order places 平 at left and 通 at right), with the four-character legend 常平通寶 disposed in the four quadrants of the field around the square hole. The characters are boldly rendered in raised relief against a flat, unadorned field, with a plain raised rim encircling the periphery. The coin shows typical casting characteristics of Joseon-period mun coinage, including slightly irregular surfaces consistent with sand-cast production. |
|---|---|
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| Mintage | ND (1757-1806) 户 - Series 1 (一) - ND (1757-1806) 户 - Series 10 (十) - ND (1757-1806) 户 - Series 2 (二) - ND (1757-1806) 户 - Series 3 (三) - ND (1757-1806) 户 - Series 4 (四) - ND (1757-1806) 户 - Series 5 (五) - ND (1757-1806) 户 - Series 6 (六) - ND (1757-1806) 户 - Series 7 (七) - ND (1757-1806) 户 - Series 8 (八) - ND (1757-1806) 户 - Series 9 (九) - |
| Additional information |
The Board of Revenue began casting this issue in 1757 as part of a broader attempt to rationalize Joseon's chronically fragmented currency supply, where dozens of government offices and regional foundries had each been striking cash coins to their own inconsistent standards for decades. Unifying production under Hojo was administrative ambition more than monetary reform — the physical results remained variable, with casting quality differing noticeably across the nearly fifty-year run.
The "Ho" mint mark denotes Hojo directly. Collectors working this series must distinguish it from superficially similar pieces struck by the military offices and royal household bureaus operating concurrently.