Watch List notes:

Mexico City, Mexico, cob 8 reales, 1639(P), ex-Concepcion (1641), ex-Rudman. S-M19; KM-45; CT-334. 26.40 grams. Bold full 639 of date (no overdate) and clear oM mintmark, nearly full shield (unusually well detailed) and cross (good lions), no corrosion, deeply toned Fine, smallish flan. From the Concepcion (1641), and pedigreed to the Isaac Rudman collection.
($250-375)