MEXICO. Mint Error -- Wrong Planchet -- 20 Pesos, 1980-Mo. Mexico City Mint. ANACS MS-63.
KM-486. Weight: 13.89 gms. A 20 Pesos that appears to be struck on a copper-nickel 7-sided planchet intended for a different 10 Pesos (KM-477.2).
Estimate: $50.00- $100.00