Guatemala, cob 4 reales, 1739(J). S-G1; KM-5. 13.18 grams. Good full globes and waves above full date, squarish flan with sharp points, darkly toned, minimal corrosion, rare type as from a shipwreck. Recovered from: Reijgersdaal, sunk in 1747 off South Africa
($300-450)