France
Napoleon gold 40 Francs 1806-A AU55 NGC, Paris mint, KM675.1.
https://coins.ha.com/itm/france/france-napoleon-gold-40-francs-1806-a-au55-ngc-/a/3082-33737.s?type=CoinArchives3082
HID02906262019
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Estimate: 500-700 USD