Watch List notes:

Mexico City, Mexico, cob 4 reales, (173)0, assayer not visible. KM-40a. 13.36 grams. Partial yet well defined shield and cross, minor surface corrosion with some black toning. With tag #AC9037 and generic certificate from the salvagers. Recovered from: Rooswijk, sunk in 1739 southeast of England

Estimate: $100-150