Great Britain
Elizabeth II gold Proof "Sir Isaac Newton - 375th Anniversary of Birth" 50 Pence 2017 PR70 Ultra Cameo NGC, KM-Unl., S-H48. AGW 0.4565 oz.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-gold-proof-sir-isaac-newton-375th-anniversary-of-birth-50-pence-2017-pr70-ultra-cameo/a/61262-98084.s?type=DA-DMC-CoinArchives-WorldCoins-61262-03202022
HID02906262019
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