Stack's, The Vermeule, Ward, and Mexico Maxico Collections, Lot 964 NETHERLANDS. HAARLEM. Siege of 1572. Obsidional Ducat, 1572. Uniface elongated octagon or oblong Gold planchet, 30 x 19.5mm, 3.05 grams. This fascinating piece bears different stamps. The largest being a shield-shaped central stamp of the City Arms, showing an upright sword with cross at its tip surrounded by four 6-pointed stars. A single six-...