Cuba
Republic Mint Error - Rotated Dies gold Proof Piefort "Jose Marti" 10 Pesos 1988 PR69 Ultra Cameo NGC, KM-P5. Mintage: 30. Reverse die rotated approximately 45 degrees clockwise. The second example of this intriguing error we have seen, the last bringing $3840, with the type's already low mintage pointing to the true rarity of such error pieces.
https://coins.ha.com/itm/cuba/cuba-republic-mint-error-rotated-dies-gold-proof-piefort-jose-marti-10-pesos-1988-pr69-ultra-cameo-ngc-/a/61180-99015.s?type=CoinArchives61180
HID02906262019
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Estimate: 2500-3000 USD