Japan Tempo gold Koban (Ryo) ND (1837-1858) AU (Surface

Japan
Tempo gold Koban (Ryo) ND (1837-1858) AU (Surface Hairlines), Edo mint, KM-C22b, JNDA 09-21, Hartill-8.24 (ER). 31x58mm. 11.23gm. A very well-executed example, admitting the usual light marks and hairlines, though virtually pristine in the struck-up details.

https://coins.ha.com/itm/japan/japan-tempo-gold-koban-ryo-nd-1837-1858-au-surface-hairlines-/a/3077-39267.s?type=CoinArchives3077

HID02906262019

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Estimate: 700-900 USD