MEXICO. 2 Reales, ND (1548-56). Mexico City Mint, assayer L. Charles & Johanna. PCGS Genuine--Tooled, AU Details Gold Shield.6.75 gms. Cayon-3075. Quite attractively toned, this example presents a solid strike overall. The noted tooling is not observed, though there are some small scratches near the crown on the left hand pillar.