Mexico City, Mexico, cob 8 reales, Philip IV, assayer not visible (P).KM-45.17.75 grams.Thin, roundish flan with heavily pitted cross, nice upper half of shield with clear mintmark oM but rest corroded and/or flat, some contrasting toning and horn silver.Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
Estimate: 100-150 USD