MEXICO. Mint Error -- Off-Metal Strike on Aluminum-Bronze -- 20 Pesos, 2019-Mo. Mexico City Mint. PCGS MS-64 Gold Shield.
KM-Unlisted (for regular issue). Weight: 12.2 gms. Dodecagonal shaped. RARE and alluring this error presents an entire planchet comprised of aluminum-bronze rather than just the outer ring.
Estimate: $100.00- $200.00