MEXICO. Mint Error--Struck 20% Off Center--20 Pesos, 1981-Mo. Mexico City Mint. PCGS AU-58.
KM-486. A dramatic crescent of unstruck planchet dominates the visual appearance of this mint error. The flat brilliance of the struck fields smartly contrasts the satiny roughness seen on the missed portion of the coin.
Estimate: $60 - $100