Great Britain
Elizabeth II silver Proof "Longest Reigning Monarch" 500 Pounds (1 Kilo) 2015 PR70 Ultra Cameo NGC, S-NH4. One of First 100 Struck.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-silver-proof-longest-reigning-monarch-500-pounds-1-kilo-2015-pr70-ultra-cameo-ngc-/a/65162-98192.s?type=DA-DMC-CoinArchives-WorldCoins-65162-02262023
HID02906262019
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