MEXICO. Mint Error -- Off-Metal Strike on Copper-Nickel -- Peso, 2018-Mo. Mexico City Mint. PCGS MS-66 Gold Shield.
cf. KM-603 (for regular issue). Weight: 7.3 gms. Steely gray and entirely brilliant, this dazzling issue features a planchet fully comprised of copper-nickel rather than its usual bimetallic 'core and ring' composition.
Estimate: $100.00- $200.00