Shield Type Mexico City, Mexico, cob 4 reales, 1639/8P, very rare,

Shield Type
Mexico City, Mexico, cob 4 reales, 1639/8P, very rare, ex-Concepcion (1641), ex-Rudman.S-M19; KM-unl (38 for type); Cal-unl.13.28 grams.Choice specimen for this wreck (100% corrosion-free), with very bold full date and obvious overdate (first we have seen in this denomination), full oMP, nearly full cross, deeply toned Fine on an odd flan (squarish with four points, one blunted, the sides beveled as made, also somewhat convex.From the Concepcion (1641) and pedigreed to the Isaac Rudman numismatic cabinet.

Estimate: 250-375 USD