Denmark
Christian IX gold 20 Kroner 1873 HC-CS MS66 NGC, Copenhagen mint, KM791.1. Attainable here, as only two MS66+ examples rank finer.
https://coins.ha.com/itm/denmark/denmark-christian-ix-gold-20-kroner-1873-hc-cs-ms66-ngc-/a/61306-24104.s?type=DA-DMC-CoinArchives-WorldCoins-61306-01232023
HID02906262019
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