MEXICO. Cob 4 Reales, ND (1542-55)-G M. Mexico City Mint. Carlos & Johanna. PCGS AU-55. KM-18; cf. Nesmith-46; Cal-126. A somewhat <strong>SCARCE</strong> variety with the assayers letter to the left of the shield on the reverse. Very well struck on a large round planchet featuring limited toning, giving the coin a slate gray appearance. From the Cardinal Collection Educational Foundation.
