Watch List notes:

Mexico City, Mexico, cob 8 reales, 164(?)P. S-M19; KM-45. 21.99 grams. Bold 164 of date and full oMP, some shield and cross, moderately corroded all over but nicely toned. With large wallet-style certificate #3140. Recovered from: Concepcion, sunk in 1641 off Hispaniola

Estimate: $125 - 200