Watch List notes:

Zwolle, United Netherlands, "rider" ducatoon, 1659, rare (unlisted). KM-61; Delm-unl (1042 for type). 31.08 grams. Broad flan with some bold legend (including mint and date, unlisted in Delmonte) and full inner details (nice "rider") despite light surface corrosion, toned. From: Akerendam, sunk in 1725 off Norway
($150-225)