Great Britain
Elizabeth II silver Proof "Longest Reigning Monarch" 500 Pounds (Kilo) 2015 PR70 Ultra Cameo NGC, KM-Unl. 100mm. "One of First 100 Struck". Issued in celebration of Queen Elizabeth II as the longest reigning British monarch.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-silver-proof-longest-reigning-monarch-500-pounds-kilo-2015-pr70-ultra-cameo-ngc-/a/61261-98122.s?type=DA-DMC-CoinArchives-WorldCoins-61261-03132022
HID02906262019
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