Watch List notes:

Mexico City, Mexico, cob 8 reales, (1)638(P), with canvas imprint on shield side, rare. S-M19; KM-45; CT-333. 26.32 grams. Bold 8 of date, some shield (otherwise flat) with clear canvas imprint on most of that side, good full cross, uneven thickness, toned, minimal surface corrosion. Pedigreed to the Stuart Auerbach collection (see lot 4). Recovered from: Concepcion, sunk in 1641 off Hispaniola
($250-375)