Mexico
Estados Unidos silver Proof Onza 2006-Mo PR68 Ultra Cameo NGC, Mexico City mint, KM639. Mintage: 1,600. First year of type with confident flash and a halo of peach tone.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-silver-proof-onza-2006-mo-pr68-ultra-cameo-ngc-/a/61310-24550.s?type=DA-DMC-CoinArchives-WorldCoins-61310-05072023
HID02906262019
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