Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer not visible. KM-45. 20.77 grams. Choice full cross but heavily corroded shield, one side of which has dark "horn silver" appended. With Marex certificate and tag #1091. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($150-225)