Mexico
Estados Unidos silver Proof "14th International Numismatic Convention" Medal (5 oz) 1987-Mo PR69 Ultra Cameo NGC, Mexico City mint. 65mm. Stamped with two Thailand Countermarks on the obverse. An expansive selection harkening to the colonial pillar series, veiled in a light wash of mauve tone.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-silver-proof-14th-international-numismatic-convention-medal-5-oz-1987-mo-pr69-ultra-cameo-n/a/61310-24483.s?type=DA-DMC-CoinArchives-WorldCoins-61310-05072023
HID02906262019
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