Colombia
Republic gold Proof "Pan-American Games" 500 Pesos 1971-B PR67 Ultra Cameo NGC, Bogota mint, KM251, Fr-128. Mintage: 6,000. Struck in celebration of the 6th Pan-American Games in Cali. Depicted on the obverse are panels representing the various sporting events surround a figural scene.
https://coins.ha.com/itm/colombia/colombia-republic-gold-proof-pan-american-games-500-pesos-1971-b-pr67-ultra-cameo-ngc-/a/3091-32353.s?type=CoinArchives3091
HID02906262019
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Estimate: 800-1000 USD