Mexico
Estados Unidos silver Proof Pattern 100000 Pesos 1990-Mo PR69 Cameo NGC, Mexico City mint, KM-Pn245var (in silver rather than bronze). More often encountered as an error strike than a standard pattern, and appearing quite near Ultra Cameo.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-silver-proof-pattern-100000-pesos-1990-mo-pr69-cameo-ngc-/a/3082-34519.s?type=CoinArchives3082
HID02906262019
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Estimate: 200-300 USD