Belgium
Leopold II gold 20 Francs 1877 MS63 NGC, Brussels mint, KM37, Fr-412. Position A variety.
https://coins.ha.com/itm/belgium/belgium-leopold-ii-gold-20-francs-1877-ms63-ngc-/a/61311-25036.s?type=DA-DMC-CoinArchives-WorldCoins-61311-03052023
HID02906262019
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