Cuba
Republic Matte Proof "Non-Aligned Nations" 20 Pesos 1979 PR67 NGC, KM44.
From the El Don Diego Luna Collection
https://coins.ha.com/itm/cuba/cuba-republic-matte-proof-non-aligned-nations-20-pesos-1979-pr67-ngc-/a/61155-97199.s?type=CoinArchives61155
HID02906262019
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Estimate: 150-200 USD