Mexico
Estados Unidos gold Proof "200th Anniversary of U.S. Constitution" 12 Onzas (12 oz) 1987-Mo PR69 Ultra Cameo NGC, Mexico City mint, cf. KM-XMB39 (silver). Serial #0036 stamped on edge. Sold with COA #36.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-gold-proof-200th-anniversary-of-us-constitution-12-onzas-12-oz-1987-mo-pr69-ultra-cameo-n/a/61294-25295.s?type=DA-DMC-CoinArchives-WorldCoins-61294-10302022
HID02906262019
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