Mexico
Estados Unidos Proof 10 Pesos 1982-Mo PR67 NGC, Mexico City mint, KM477. Beginning to exhibit dark toning that shadows the obverse devices.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-proof-10-pesos-1982-mo-pr67-ngc-/a/65162-98280.s?type=DA-DMC-CoinArchives-WorldCoins-65162-02262023
HID02906262019
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