Cuba
Republic Proof "March to Victory" 20 Pesos (2 oz) 1987 PR65 NGC, KM171.
From the El Don Diego Luna Collection
https://coins.ha.com/itm/cuba/cuba-republic-proof-march-to-victory-20-pesos-2-oz-1987-pr65-ngc-/a/61155-97200.s?type=CoinArchives61155
HID02906262019
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Estimate: 100-150 USD