^Lot 187 MEXICO, Mexico City, clump of one cob 8 reales in large chunk of coral, Philip IV, assayer not visib

MEXICO, Mexico City, clump of one cob 8 reales in large chunk of coral, Philip IV, assayer not visible. 332 grams total. Roughly 5" x 3" x 2". Large chunk of coral with corroded cross side of an 8R facing outwards, small chunks of earthenware nearby. With original certificate from Captain Tracy Bowden through his contract with the Dominican Republic. Recovered from: Concepción, sunk in 1641 off Hispaniola