MEXICO. Mint Error -- Off Metal Strike, Struck on Aluminum-Bronze Planchet -- Peso, 2019-Mo. Mexico City Mint. PCGS MS-63.
KM-603. Struck on the central piece of a 5 Pesos issue, this monometallic Peso distinguishes itself on account of being of single composition, rather than the circulation variety of this piece, which is always bimetallic.
Estimate: $150 - $300