Watch List notes:

Overijssel, United Netherlands, "rider" ducatoon, 1734, NGC AU details / saltwater damage / Vliegenthart (Shipwreck Label). KM-80; Dav-1829. Sharply struck and practically devoid of corrosion, lustrous all over, nicely toned (a few dark spots). NGC #6289300-006. From: Vliegenthart, sunk in 1735 off Zeeland, Netherlands
($250-375)