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Shunaka / 1/2 Shu 'Kōshū Shunaka Kin' Maru-Shunaka
| Issuer | Kai Province |
|---|---|
| Year | 1650 |
| Type | Log in to see details |
| Value | Shunaka = 1/2 Shu = 1⁄32 Ryō |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Log in to see details |
| Orientation | Log in to see details |
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| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Chinese |
| Obverse lettering | 松朱 木中 |
| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
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| Additional information |
Kai Province — the mountainous domain that would become modern Yamanashi Prefecture — operated one of Japan's most active regional gold-working traditions, fed directly by the Kōshū goldfields that Takeda Shingen had developed aggressively in the sixteenth century. By the time this piece was struck in the mid-Edo period, those mines were under Tokugawa administration, but local minting conventions persisted. The maru-shunaka form — essentially a small disc rather than the elongated tanzaku shape of mainstream Edo coinage — reflects a distinctly provincial approach to fractional gold that the central mint in Edo never fully standardized away.