Great Britain
Elizabeth II gold Proof "The Aviation WWI Centenary" 2 Pounds 2017 PR68 Ultra Cameo NGC, KM-Unl., S-K44. Mintage: 634. AGW 0.4707 oz.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-gold-proof-the-aviation-wwi-centenary-2-pounds-2017-pr68-ultra-cameo-ngc-/a/61262-98104.s?type=DA-DMC-CoinArchives-WorldCoins-61262-03202022
HID02906262019
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