Campen, United Netherlands, "rider" ducatoon, 1668/0, rare (unlisted). KM-unl (61.1 for type); Delm-unl (1039 for type). 30.87 grams. Lustrous despite very light corrosion, full inner details and nearly full legends with bold date showing the under-digit 0 very offset to top right (unlisted overdate from a scarce issue that is R1 in Delmonte). From: Akerendam, sunk in 1725 off Norway
($150-225)