Mexico
Estados Unidos 5-Piece Certified silver "14th International Numismatic Convention" Proof Set 1988-Mo PCGS,
1) 1/10 Onza - PR68 Deep Cameo, cf. KMX-MB45 (there 1987)
2) 1/4 Onza - PR68+ Deep Cameo, cf. KMX-MB46 (same)
3) 1/2 Onza - PR68 Deep Cameo, cf. KMX-MB47 (same)
4) Onza - PR68 Deep Cameo, KMX-Unl.
5) 12 Onzas - PR66 Deep Cameo, cf. KMX-MB49 (same)
Mexico City mint, KMX-PS2. A quite scarce set, each piece highly attractive and evincing light tone. Each piece appears to be erroneously given the date of 1987 in the Unusual book, as the Proof Set number includes the same reference numbers, but for 1988. Includes COA 335.
https://coins.ha.com/itm/mexico/mexico-estados-unidos-5-piece-certified-silver-14th-international-numismatic-convention-proof-set-1988-mo-pcgs-/a/3076-34375.s?type=CoinArchives3076
HID02906262019
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Estimate: 300-400 USD