Japan
Gembun gold Koban ND (1736-1818), KM-C22, JNDA 09-19, Fr-13, VF. Slightly wavy flan, with several small chopmarks, as often seen with this type. Included is the JNDA (Japan Numismatic Dealers Association) certificate of authenticity # 43285.
Estimate: 1000-1200 USD