Great Britain
Elizabeth II gold Proof "Britannia" 100 Pounds (1 oz) 2017 MS70 NGC, S-BGF18C. 30th Anniversary Privy in celebration of the first issue of the Nathan reverse. First Day of Issue.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-gold-proof-britannia-100-pounds-1-oz-2017-ms70-ngc-/a/65162-98166.s?type=DA-DMC-CoinArchives-WorldCoins-65162-02262023
HID02906262019
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